| 单词 | tooth |
| 释义 | tooth (once / 663 pages) 1n 2n WORD FAMILY tooth: toothless, toothlike, tooths, toothy+/toothless: toothlessly/toothy: toothier, toothiest, toothily USAGE EXAMPLESRotting teeth, ballooning waistlines and long-term health problems like type 2 diabetes are caused by unhealthy diets. BBC(Jan 03, 2017) His broken-down teeth seemed to bear testimony to years of neglect. Washington Post(Dec 29, 2016) He and his colleagues counted daily growth markers in the teeth, calculating that tooth growth accounted for about 40 percent of incubation time. New York Times(Jan 02, 2017) 1 1n hard bonelike structures in the jaws of vertebrates; used for biting and chewing or for attack and defense Hypo|Hyper fang hollow or grooved tooth of a venomous snake; used to inject its poison tuska long pointed tooth specialized for fighting or digging; especially in an elephant or walrus or hog conodontthe tiny fossil cone-shaped tooth of a primitive vertebrate of order Conodonta chopper, pearlyinformal terms for a human `tooth' carnassial tooththe last upper premolar and first lower molar teeth of a carnivore; having sharp edges for cutting flesh anterior, front tootha tooth situated at the front of the mouth back tooth, posteriora tooth situated at the back of the mouth malposed tootha tooth that has grown in a faulty position adult tooth, permanent toothany of the 32 teeth that replace the deciduous teeth of early childhood and (with luck) can last until old age baby tooth, deciduous tooth, milk tooth, primary toothone of the first temporary teeth of a young mammal (one of 20 in children) canine, canine tooth, cuspid, dogtooth, eye tooth, eyetoothone of the four pointed conical teeth (two in each jaw) located between the incisors and the premolars bicuspid, premolara tooth having two cusps or points; located between the incisors and the molars incisora tooth for cutting or gnawing; located in the front of the mouth in both jaws grinder, molargrinding tooth with a broad crown; located behind the premolars fangcanine tooth of a carnivorous animal; used to seize and tear its prey bucktootha large projecting front tooth wisdom toothany of the last 4 teeth on each side of the upper and lower jaw; the last of the permanent teeth to erupt (between ages 16 and 21) bone, os rigid connective tissue that makes up the skeleton of vertebrates 2n toothlike structure in invertebrates found in the mouth or alimentary canal or on a shell Hypo|Hyper denticle small pointed ridge on the exoskeleton of an arthropod anatomical structure, bodily structure, body structure, complex body part, structure a particular complex anatomical part of a living thing 3n something resembling the tooth of an animal Hypo|Hyper cog, sprocket tooth on the rim of gear wheel projection any structure that branches out from a central support 4n one of a number of uniform projections on a gear 2Hyper projection any structure that branches out from a central support n a means of enforcement the treaty had no teeth in it Hyper agency, means, way how a result is obtained or an end is achieved |
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