| 单词 | operation |
| 释义 | operation (once / 71 pages) 1n 2n 3n 4n Operation can refer to medical surgery, a military campaign, or mathematical methods, such as multiplication and division. Operation comes from the Latin word opus (“work”) and can refer to a whole range of practical activities and work. In driver's education, you learn the proper operation of a motor vehicle. If you’re going to make your lemonade franchise a success, you’re going to have to learn the rules for prudent operation of a business — how to run it — and you’ll also have to figure out the operation of a lemon squeezer. WORD FAMILYoperation: operational, operations+/inoperable: inoperably/interoperable: interoperability/operable: inoperable, interoperable/operate: operable, operated, operates, operating, operation, operative, operator/operational: nonoperational, operationalism, operationally/operationalism: operationalist/operative: inoperative, operatively, operatives, postoperative, preoperative/operator: operators/postoperative: postoperatively USAGE EXAMPLESSpecial Operations forces are in the Baltics to deter any Russian efforts to destabilize the former Soviet republics. New York Times(Jan 02, 2017) The Raiders are the better team around the quarterback, with so many other elements of a championship-caliber operation in place. Washington Post(Jan 02, 2017) It’s also about all kinds of other data, code and digitized operations. Washington Post(Jan 02, 2017) 1 1n process or manner of functioning or operating the power of its engine determines its operation the plane's operation in high winds Syn|Hyper functioning, performance physical process, process a sustained phenomenon or one marked by gradual changes through a series of states 2n a process or series of acts especially of a practical or mechanical nature involved in a particular form of work the operations in building a house certain machine tool operations Syn|Hyper procedure work activity directed toward making or doing something 3n the activity of operating something (a machine or business etc.) her smooth operation of the vehicle gave us a surprisingly comfortable ride Hyper activity any specific behavior 4n the state of being in effect or being operative that rule is no longer in operation Hypo|Hyper commission the state of being in good working order and ready for operation runningthe state of being in operation idlethe state of an engine or other mechanism that is idling action, activeness, activity the state of being active 5n a business especially one run on a large scale a large-scale farming operation a multinational operation they paid taxes on every stage of the operation they had to consolidate their operations Hyper business activity, commercial activity activity undertaken as part of a commercial enterprise 6n a planned activity involving many people performing various actions they organized a rescue operation the biggest police operation in French history running a restaurant is quite an operation consolidate the companies various operations Hypo|Hyper rescue operation an operation organized to free from danger or confinement undercover operationan operation involving secret work within a community or institution buy-and-bust operationan undercover operation by narcotics detectives to catch unsuspecting drug dealers activity any specific behavior 7n activity by a military or naval force (as a maneuver or campaign) 2it was a joint operation of the navy and air force Syn|Exp|Hypo|Hyper military operation Meuse-Argonne operation an American operation in World War I (1918); American troops under Pershing drove back the German armies which were saved only by the armistice on November 11 Operation Desert Stormthe United States and its allies defeated Iraq in a ground war that lasted 100 hours (1991) First Crusadea Crusade from 1096 to 1099; captured Jerusalem and created a theocracy there Second Crusadea Crusade from 1145 to 1147 that failed because of internal disagreements among the crusaders and led to the loss of Jerusalem in 1187 Third Crusadea Crusade from 1189 to 1192 led by Richard I and the king of France that failed because an army torn by dissensions and fighting on foreign soil could not succeed against forces united by religious zeal Fourth Crusadea Crusade from 1202 to 1204 that was diverted into a battle for Constantinople and failed to recapture Jerusalem Fifth Crusadea Crusade under papal control from 1218 to 1221 that achieved military victories but failed when dissension arose over accepting the terms they had been offered Sixth Crusadea Crusade from 1228 to 1229 led by the Holy Roman Emperor Frederick II who fell ill and was excommunicated by the Pope; by negotiation Frederick II was able to crown himself king of Jerusalem Seventh Crusadea Crusade initiated in 1248 after the loss of Jerusalem in 1244 and defeated in 1249 Dardanelles campaignthe unsuccessful campaign in World War I (1915) by the English and French to open a passage for aid to Russia; defeated by the Turks Dunkerquean amphibious evacuation in World War II (1940) when 330,000 Allied troops had to be evacuated from the beaches in northern France in a desperate retreat under enemy fire EniwetokWorld War II (February 1944); American infantry landed and captured a Japanese stronghold Inchona battle in the Korean War (1950); United States forces landed at Inchon invasion of Iwoa bloody and prolonged operation on the island of Iwo Jima in which American marines landed and defeated Japanese defenders (February and March 1945) Kwajaleinan amphibious assault in the Pacific in World War II (January 1944); American forces landed and captured a Japanese air base Leyte invasiona battle in World War II; the return of United States troops to the Philippines began with landings on Leyte Island in October 1944; the battle marked first use of kamikaze aircraft by the Japanese Okinawa campaigna campaign in the closing days of World War II in the Pacific (April to June 1945); in savage close-quarter fighting United States marines and regular army troops took the island from the Japanese; considered the greatest victory of the Pacific campaign for the Americans Petersburg Campaignthe final campaign of the American Civil War (1864-65); Union forces under Grant besieged and finally defeated Confederate forces under Lee SaipanUS forces captured the island from the Japanese in July 1944; it was an important air base until the end of World War II Salernoa battle in World War II; the port was captured by United States troops in September 1943 Tarawa-Makinbattles in World War II in the Pacific (November 1943); United States Marines took the islands from the Japanese after bitter fighting Battle of Wake Islandin December 1941 the island was captured by the Japanese after a gallant last-ditch stand by a few hundred United States marines Wilderness CampaignAmerican Civil War; a series of indecisive battles in Grant's campaign (1864) against Lee in which both armies suffered terrible losses September 11the day in 2001 when Arab suicide bombers hijacked United States airliners and used them as bombs combined operation a military operation carried out cooperatively by two or more allied nations or a military operation carried out by coordination of sea, land, and air forces maneuver, manoeuvre, simulated military operationa military training exercise campaign, military campaignseveral related operations aimed at achieving a particular goal (usually within geographical and temporal constraints) naval campaignan operation conducted primarily by naval forces in order to gain or extend or maintain control of the sea military mission, missionan operation that is assigned by a higher headquarters reenforcement, reinforcement, supporta military operation (often involving new supplies of men and materiel) to strengthen a military force or aid in the performance of its mission attack, onrush, onset, onslaught(military) an offensive against an enemy (using weapons) offence, offense, offensivethe action of attacking an enemy peacekeeping, peacekeeping mission, peacekeeping operationthe activity of keeping the peace by military forces (especially when international military forces enforce a truce between hostile groups or nations) amphibious operationa military operation by both land and sea forces information gatheringthe act of collecting information psychological operation, psyopmilitary actions designed to influence the perceptions and attitudes of individuals, groups, and foreign governments covert operationan intelligence operation so planned as to permit plausible denial by the sponsor expedition, hostile expedition, military expeditiona military campaign designed to achieve a specific objective in a foreign country combat missiona mission to capture or defend something search missiona mission to discover something search and destroy missionan operation developed for United States troops in Vietnam; troops would move through a designated area destroying troops as they found them close supportclose-in firing by one unit against an enemy engaged by another unit direct supporta mission requiring one force to support another specific force and authorizing it to answer directly the supported force's request for assistance amphibious demonstrationan amphibious operation conducted for the purpose of deceiving the enemy and leading him into a course of action unfavorable to him ground attackan attack by ground troops chargean impetuous rush toward someone or something banzai attack, banzai chargea mass attack of troops without concern for casualties; originated by Japanese who accompanied it with yells of `banzai' diversion, diversionary attackan attack calculated to draw enemy defense away from the point of the principal attack incursion, penetrationan attack that penetrates into enemy territory blitz, blitzkriega swift and violent military offensive with intensive aerial bombardment strikean attack that is intended to seize or inflict damage on or destroy an objective counterattack, countermovean attack by a defending force against an attacking enemy force in order to regain lost ground or cut off enemy advance units etc. bombardment, bombingan attack by dropping bombs counteroffensivea large scale offensive (more than a counterattack) undertaken by a defending force to seize the initiative from an attacking force dirty waran offensive conducted by secret police or the military of a regime against revolutionary and terrorist insurgents and marked by the use of kidnapping and torture and murder with civilians often being the victims push back, rollbackthe act of forcing the enemy to withdraw amphibious assaultan amphibious operation attacking a land base that is carried out by troops that are landed by naval ships intelligence, intelligence activity, intelligence operationthe operation of gathering information about an enemy black operationa covert operation not attributable to the organization carrying it out fire, firingthe act of firing weapons or artillery at an enemy strafean attack of machine-gun fire or cannon fire from a low flying airplane coup de main, surprise attackan attack without warning activity any specific behavior 1n (mathematics) calculation by mathematical methods they were learning the basic operations of arithmetic Syn|Hypo|Hyper mathematical operation, mathematical process permutation the act of changing the arrangement of a given number of elements combinationthe act of arranging elements into specified groups without regard to order differentiationthe mathematical process of obtaining the derivative of a function maximizationthe mathematical process of finding the maximum value of a function integrationan operation used in the calculus whereby the integral of a function is determined exponentiation, involutionthe process of raising a quantity to some assigned power arithmetic operationa mathematical operation involving numbers matrix operationa mathematical operation involving matrices constructiondrawing a figure satisfying certain conditions as part of solving a problem or proving a theorem relaxation, relaxation methoda method of solving simultaneous equations by guessing a solution and then reducing the errors that result by successive approximations until all the errors are less than some specified amount divisionan arithmetic operation that is the inverse of multiplication; the quotient of two numbers is computed multiplication, timesan arithmetic operation that is the inverse of division; the product of two numbers is computed minus, subtractionan arithmetic operation in which the difference between two numbers is calculated addition, plus, summationthe arithmetic operation of summing; calculating the sum of two or more numbers matrix additionthe addition of matrices matrix multiplicationthe multiplication of matrices matrix inversiondetermination of a matrix that when multiplied by the given matrix will yield a unit matrix matrix transpositionthe interchange of each row of a square matrix with the corresponding column quadraturethe construction of a square having the same area as some other figure calculation, computation, computing the procedure of calculating; determining something by mathematical or logical methods 2n (computer science) data processing in which the result is completely specified by a rule (especially the processing that results from a single instruction) 3it can perform millions of operations per second Hypo|Hyper access, memory access (computer science) the operation of reading or writing stored information asynchronous operationoperations that occur without a regular or predictable time relation to other events auxiliary operation, off-line operationa operation performed by off-line equipment not under the control of the central processing unit binary arithmetic operation, binary operation, boolean operationan operation that follows the rules of Boolean algebra; each operand and the result take one of two values computer operation, machine operationan elementary operation that a computer is designed and built to perform concurrent operationtwo or more operations performed at the same time (or within a give interval) control function, control operationan operation that controls the recording or processing or transmission of interpretation of data dyadic operationan operation on exactly two operands fixed-cycle operationan operation that is completed in a specified number of regularly timed execution cycles logic operation, logical operationan operation that follows the rules of symbolic logic monadic operation, unary operationan operation with exactly one operand multiplex operationan operation in which two or more activities are interleaved parallel operation, simultaneous operationthe simultaneous execution of two or more operations printing operationan operation that controls the printing or display of information lookup, searchan operation that determines whether one or more of a set of items has a specified property consecutive operation, sequential operation, serial operationthe sequential execution of operations one after another sort, sortingan operation that segregates items into groups according to a specified criterion synchronous operationoperations that are initiated predictably by a clock threshold operationan operation performed on operands in order to obtain the value of a threshold function disk accessmemory access to the computer disk on which information is stored carriage returnthe operation that prepares for the next character to be printed or displayed as the first character on a line floating-point operation, flopan arithmetic operation performed on floating-point numbers line feedthe operation that prepares for the next character to be printed or displayed on the next line majority operationa threshold operation in which each operand is 0 or 1; output is 1 if and only if more than half the operands have the value 1 new linethe operation that prepares for the next character to be printed or displayed as the first character on the next line retrieval(computer science) the operation of accessing information from the computer's memory storage(computer science) the process of storing information in a computer memory or on a magnetic tape or disk data processing (computer science) a series of operations on data by a computer in order to retrieve or transform or classify information n (psychology) the performance of some composite cognitive activity; an operation that affects mental contents 4Syn|Hypo|Hyper cognitive operation, cognitive process, mental process, process basic cognitive process cognitive processes involved in obtaining and storing knowledge higher cognitive processcognitive processes that presuppose the availability of knowledge and put it to use attending, attentionthe process whereby a person concentrates on some features of the environment to the (relative) exclusion of others inattentionlack of attention intuitioninstinctive knowing (without the use of rational processes) perceptionthe process of perceiving apperceptionthe process whereby perceived qualities of an object are related to past experience believingthe cognitive process that leads to convictions categorisation, categorization, classification, sortingthe basic cognitive process of arranging into classes or categories discrimination, secernmentthe cognitive process whereby two or more stimuli are distinguished acquisition, learningthe cognitive process of acquiring skill or knowledge memory, rememberingthe cognitive processes whereby past experience is remembered representational processany basic cognitive process in which some entity comes to stand for or represent something else searchthe examination of alternative hypotheses cerebration, intellection, mentation, thinking, thought, thought processthe process of using your mind to consider something carefully suggestionthe sequential mental process in which one thought leads to another by association deciding, decision makingthe cognitive process of reaching a decision knowinga clear and certain mental apprehension language, linguistic processthe cognitive processes involved in producing and understanding linguistic communication cognition, knowledge, noesis the psychological result of perception and learning and reasoning n a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body they will schedule the operation as soon as an operating room is available Syn|Hypo|Hyper surgery, surgical operation, surgical procedure, surgical process catheterisation, catheterization the operation of introducing a catheter into the body ablation, cutting out, excision, extirpationsurgical removal of a body part or tissue amputationa surgical removal of all or part of a limb angioplastyan operation to repair a damaged blood vessel or unblock a coronary artery arthroplastysurgical reconstruction or replacement of a malformed or degenerated joint arthroscopya minimally invasive operation to repair a damaged joint; the surgeon examines the joint with an arthroscope while making repairs through a small incision brain surgeryany surgical procedure involving the brain castrationsurgical removal of the testes or ovaries (usually to inhibit hormone secretion in cases of breast cancer in women or prostate cancer in men) cauterisation, cauterization, cauterythe act of coagulating blood and destroying tissue with a hot iron or caustic agent or by freezing chemosurgeryuse of chemical to destroy diseased or malignant tissue; used in treatment of skin cancer craniotomya surgical opening through the skull cryosurgerythe use of extreme cold (usually liquid nitrogen) to destroy unwanted tissue (warts or cataracts or skin cancers) curettage, curettementsurgery to remove tissue or growths from a bodily cavity (as the uterus) by scraping with a curette debridementsurgical removal of foreign material and dead tissue from a wound in order to prevent infection and promote healing decorticationremoval of the outer covering of an organ or part D and C, dilatation and curettage, dilation and curettagea surgical procedure usually performed under local anesthesia in which the cervix is dilated and the endometrial lining of the uterus is scraped with a curet; performed to obtain tissue samples or to stop prolonged bleeding or to remove small tumors or to remove fragments of placenta after childbirth or as a method of abortion electrosurgerysurgery performed with electrical devices (as in electrocautery) enterostomy, enterotomysurgical operation that creates a permanent opening through the abdominal wall into the intestine enucleationsurgical removal of something without cutting into it wrong-site surgerya surgical operation performed on the wrong part of the body eviscerationsurgical removal of an organ (or the contents of an organ) from a patient exenterationsurgical removal of the organs within a body cavity (as those of the pelvis) eye operation, eye surgeryany surgical procedure involving the eyes fenestrationsurgical procedure that creates a new fenestra to the cochlea in order to restore hearing lost because of osteosclerosis gastrectomysurgical removal of all or part of the stomach gastroenterostomysurgical creation of an opening between the stomach wall and the small intestines; performed when the normal opening has been eliminated gastrostomysurgical creation of an opening through the abdominal wall into the stomach (as for gastrogavage) heart surgeryany surgical procedure involving the heart haemorrhoidectomy, hemorrhoidectomysurgical procedure for tying hemorrhoids and excising them hysterotomysurgical incision into the uterus (as in cesarean section) implantationa surgical procedure that places something in the human body intestinal bypasssurgical operation that shortens the small intestine; used in treating obesity jejunostomysurgical creation of an opening between the jejunum and the anterior abdominal wall; will allow artificial feeding major surgeryany surgical procedure that involves anesthesia or respiratory assistance microsurgerysurgery using operating microscopes and miniaturized precision instruments to perform intricate procedures on very small structures minor surgeryany surgical procedure that does not involve anesthesia or respiratory assistance myotomysurgical incision or division of a muscle myringectomysurgical removal of the eardrum myringoplastysurgical repair of a perforated eardrum with a tissue graft myringotomysurgical incision into the eardrum (to relieve pressure or release pus from the middle ear) neurosurgeryany surgery that involves the nervous system (brain or spinal cord or peripheral nerves) orchiopexyoperation to bring an undescended testicle into the scrotum osteotomysurgical sectioning of bone ostomysurgical procedure that creates an artificial opening for the elimination of bodily wastes PPP, UPPP, palatopharyngoplasty, uvulopalatopharyngoplastysurgical resection of unnecessary palatal and oropharyngeal tissue to open the airway; intended to cure extreme cases of snoring (with or without sleep apnea) phlebectomysurgical removal or all or part of a vein; sometimes done in cases of severe varicose veins photocoagulationsurgical procedure that uses an intense laser beam to destroy diseased retinal tissue or to make a scar that will hold the retina in cases of detached retina anaplasty, plastic surgery, reconstructive surgerysurgery concerned with therapeutic or cosmetic reformation of tissue polypectomysurgical removal of a polyp resectionsurgical removal of part of a structure or organ rhinotomysurgical procedure in which an incision is made in the nose to drain accumulated pus rhizotomysurgical procedure in which spinal nerve roots are cut; done (anterior roots) to relieve intractable pain or (posterior roots) to stop severe muscle spasms sex-change operation, transsexual surgerysurgical procedures and hormonal treatments designed to alter a person's sexual characteristics so that the resemble those of the opposite sex Shirodkar's operation, purse-string operationa surgical procedure in which a suture is used to close the cervix in a pregnant woman; is performed when the cervix has failed to retain previous pregnancies sterilisation, sterilizationthe act of making an organism barren or infertile (unable to reproduce) strabotomythe surgical operation of cutting a muscle or tendon of the eye in order to correct strabismus taxisthe surgical procedure of manually restoring a displaced body part tracheostomy, tracheotomya surgical operation that creates an opening into the trachea with a tube inserted to provide a passage for air; performed when the pharynx is obstructed by edema or cancer or other causes organ transplant, transplant, transplantationan operation moving an organ from one organism (the donor) to another (the recipient) trephinationan operation that removes a circular section of bone from the skull tympanoplastysurgical correction or repair of defects or injuries in the eardrum or the bones of the middle ear uranoplastysurgical correction of a defect of the palate vasovasostomya surgical procedure that attempts to restore the function of the vas deferens after a vasectomy vivisectionthe act of operating on living animals (especially in scientific research) abdominoplasty, tummy tuckcosmetic surgery of the abdomen to remove wrinkles and tighten the skin over the stomach adenoidectomysurgical removal of the adenoids; commonly performed along with tonsillectomy adrenalectomy, suprarenalectomysurgical removal of one or both adrenal glands appendectomy, appendicectomysurgical removal of the vermiform appendix arthrodesisthe surgical fixation of a joint which is intended to result in bone fusion autoplastysurgical repair by using tissue from another part of the patient's own body psychosurgerybrain surgery on human patients intended to relieve severe and otherwise intractable mental or behavioral problems split-brain techniquebrain surgery on animals in which the corpus callosum (and sometimes the optic chiasm) is severed so that communication between the cerebral hemispheres is interrupted colostomya surgical operation that creates an opening from the colon to the surface of the body to function as an anus cholecystectomysurgical removal of the gall bladder (usually for relief of gallstone pain) clitoridectomy, female circumcisionexcision of the clitoris suction curettage, vacuum aspirationa method of induced abortion; prior to the 14th week of gestation the embryo and placenta are removed by applying suction to the dilated cervix embolectomysurgical removal of an embolus (usually from an artery) endarterectomysurgical removal of the inner lining of an artery that is clogged with atherosclerosis enervationsurgical removal of a nerve cosmetic surgery, face lift, face lifting, facelift, lift, nip and tuck, rhytidectomy, rhytidoplastyplastic surgery to remove wrinkles and other signs of aging from your face; an incision is made near the hair line and skin is pulled back and excess tissue is excised closed-heart surgeryheart surgery in which a small incision is made (the chest cavity is not opened) open-heart surgeryheart surgery in which the rib cage is spread open, the heart is stopped and blood is detoured through a heart-lung machine while a heart valve or coronary artery is surgically repaired hypophysectomysurgical removal of the pituitary gland hysterectomysurgical removal of the uterus cataract surgeryeye surgery that involves removing all or part of the lens and replacing it with an intraocular lens implant cyclodestructive surgeryan eye operation that treats glaucoma by destroying the ciliary body with a laser filtration surgeryeye surgery that opens a passage allowing excess aqueous humor to drain into surrounding tissues; a treatment for glaucoma iridectomyan eye operation that treats closed-angle glaucoma by surgical removal of part of the iris of the eye iridotomya surgical procedure that makes an incision in the iris of the eye in order to enlarge the pupil or to treat closed-angle glaucoma keratotomysurgical incision into the cornea LASEK, laser-assisted subepithelial keratomileusisa refractive surgery procedure that reshapes the cornea laser trabecular surgeryeye surgery that makes many tiny laser burns in an area that will increase the drainage of aqueous humor LASIK, laser-assisted in situ keratomileusisa refractive surgery procedure that reshapes the cornea vitrectomya surgical procedure that removes the vitreous humor and replace it with saline solution ileostomysurgical procedure that creates an opening from the ileum through the abdominal wall to function as an anus; performed in cases of cancer of the colon or ulcerative colitis corneal graft, corneal transplant, keratoplastya surgical procedure in which part or all of a damaged or diseased cornea is replaced by healthy corneal tissue from a donor lipectomy, selective lipectomyplastic surgery involving the breakdown and removal of fatty tissue mastopexyplastic surgery to lift or reshape the breasts neuroplastyplastic surgery of the nerves otoplastyreconstructive surgery of the auricle of the external ear laminectomysurgical removal of the bony arches on one or more vertebrae laryngectomysurgical removal of part or all of the larynx (usually to treat cancer of the larynx) lithotomysurgical removal of a stone (calculus) lobectomysurgical removal of a lobe from any organ of the body (as the lung or brain) lumpectomysurgical removal of a tumor without removing much of the surrounding tissue or lymph nodes; performed in some cases of breast cancer robotic telesurgerymicrosurgery in which the surgeon performs surgery by manipulating the hands of a robot mastectomysurgical removal of a breast to remove a malignant tumor mastoidectomysurgical removal of some or all of the mastoid process meniscectomysurgical removal of the meniscus of the knee nephrectomysurgical removal of a kidney neurectomysurgical removal of all or part of a nerve oophorectomy, ovariectomysurgical removal of one of both ovaries oophorosalpingectomysurgical removal of one or both ovaries and the corresponding Fallopian tubes ophthalmectomysurgical removal of an eye orchidectomy, orchiectomysurgical removal of one or both testicles pancreatectomysurgical removal of part or all of the pancreas pneumonectomysurgical removal of a lung (usually to treat lung cancer) prostatectomysurgical removal of part or all of the prostate gland salpingectomysurgical removal of one or both Fallopian tubes septectomysurgical removal of all or part of a septum (especially the nasal septum or atrial septum) sigmoidectomysurgical removal of part or all of the sigmoid colon (usually to remove a malignant tumor) splenectomysurgical removal of the spleen stapedectomysurgical removal of the stapes of the middle ear sympathectomysurgical interruption of a nerve pathway in the sympathetic nervous system thrombectomysurgical removal of a blood clot (thrombus) from a blood vessel thyroidectomysurgical removal of the thyroid gland tonsillectomysurgical removal of the palatine tonsils; commonly performed along with adenoidectomy phalloplastyreconstructive surgery on the penis to repair congenital abnormality or injury proctoplasty, rectoplastyreconstructive surgery of the anus or rectum altering, fixing, neuteringthe sterilization of an animal TURP, transurethral resection of the prostateremoval of significant amounts of prostate tissue (as in cases of benign prostatic hyperplasia) cryocauteryapplication of a substance that destroys tissue by freezing it thermocauterycautery (destruction of tissue) by heat vasectomysurgical procedure that removes all or part of the vas deferens (usually as a means of sterilization); is sometimes reversible vulvectomysurgical removal of part or all of the vulva surgical contraceptioncontraception by surgical sterilization xenotransplant, xenotransplantationa surgical procedure in which tissue or whole organs are transfered from one species to another species medical procedure a procedure employed by medical or dental practitioners |
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英语词典包含147318条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。