| 单词 | ray |
| 释义 | ray (once / 136 pages) 1nv 2n 3n 4n A ray is a beam of light or radiation. Even on cloudy days, you sometimes see a ray of sunlight shine through the clouds. In physics, a ray is a line or column of light, heat, or electromagnetic radiation (like an x-ray), while in math a ray is a line that passes through a specific point. A marine biologist would define a ray as a big fish that's related to sharks and has a wide, flat body and a long tail. The root of the first two kinds of rays is the Latin word radius, "spoke" or "staff." WORD FAMILYray: rayed, raying, rayless, rays USAGE EXAMPLESBanning Ranch Conservancy Executive Director Steve Ray said his group was always prepared for the lawsuit to reach the state's highest court. Los Angeles Times(Dec 30, 2016) “The major things are refilling prescriptions without doctors’ orders,” Ray said about one of the more typical mistakes by a pharmacy. Washington Times(Jan 02, 2017) For it was here, at the preserved Lorraine Motel, that Martin Luther King Jr. was shot and killed by James Earl Ray April 4, 1968. Washington Times(Jan 01, 2017) 1 1n a group of nearly parallel lines of electromagnetic radiation Syn|Hypo|Hyper beam, electron beam cathode ray a beam of electrons emitted by the cathode of an electrical discharge tube particle beama collimated flow of particles (atoms or electrons or molecules) ion beam, ionic beama beam of ions moving in the same direction at the same speed electromagnetic radiation, electromagnetic wave, nonparticulate radiation radiation consisting of waves of energy associated with electric and magnetic fields resulting from the acceleration of an electric charge 2n a column of light (as from a beacon) Syn|Hypo|Hyper beam, beam of light, irradiation, light beam, ray of light, shaft, shaft of light heat ray a ray that produces a thermal effect high beamthe beam of a car's headlights that provides distant illumination moon ray, moon-ray, moonbeama ray of moonlight sunbeam, sunraya ray of sunlight laser beama beam of light generated by a laser low beamthe beam of a car's headlights that provides illumination for a short distance infrared raya ray of infrared radiation; produces a thermal effect (as from an infrared lamp) light, visible light, visible radiation (physics) electromagnetic radiation that can produce a visual sensation 3n (mathematics) a straight line extending from a point Hyper vector a straight line segment whose length is magnitude and whose orientation in space is direction 4v emit as rays That tower rays a laser beam for miles across the sky Hyper emit, give off, give out give off, send forth, or discharge; as of light, heat, or radiation, vapor, etc. 5v extend or spread outward from a center or focus or inward towards a center Syn|Hyper radiate extend, go, lead, pass, run stretch out over a distance, space, time, or scope; run or extend between two points or beyond a certain point 6v expose to radiation 2Syn|Hypo|Hyper irradiate bombard direct high energy particles or radiation against process, treat subject to a process or treatment, with the aim of readying for some purpose, improving, or remedying a condition n a branch of an umbel or an umbelliform inflorescence 3Hyper pedicel, pedicle a small stalk bearing a single flower of an inflorescence; an ultimate division of a common peduncle n the syllable naming the second (supertonic) note of any major scale in solmization 4Syn|Hyper re solfa syllable one of the names for notes of a musical scale in solmization 1n any of the stiff bony spines in the fin of a fish Hyper spine a sharp rigid animal process or appendage; as a porcupine quill or a ridge on a bone or a ray of a fish fin 2n cartilaginous fishes having horizontally flattened bodies and enlarged winglike pectoral fins with gills on the underside; most swim by moving the pectoral fins Hypo|Hyper crampfish, electric ray, numbfish, torpedo any sluggish bottom-dwelling ray of the order Torpediniformes having a rounded body and electric organs on each side of the head capable of emitting strong electric discharges sawfishprimitive ray with sharp teeth on each edge of a long flattened snout guitarfishprimitive tropical bottom-dwelling ray with a guitar-shaped body stingraylarge venomous ray with large barbed spines near the base of a thin whiplike tail capable of inflicting severe wounds eagle raypowerful free-swimming tropical ray noted for `soaring' by flapping winglike fins; usually harmless but has venomous tissue near base of the tail as in stingrays devilfish, manta, manta rayextremely large pelagic tropical ray that feeds on plankton and small fishes; usually harmless but its size make it dangerous if harpooned skatelarge edible rays having a long snout and thick tail with pectoral fins continuous with the head; swim by undulating the edges of the pectoral fins Pristis pectinatus, smalltooth sawfishcommonly found in tropical bays and estuaries; not aggressive Dasyatis centroura, roughtail stingrayone of the largest stingrays; found from Cape Cod to Cape Hatteras butterfly raya stingray with a short tail and a broad fin Aetobatus narinari, spotted eagle ray, spotted rayray with back covered with white or yellow spots; widely distributed in warm seas Rhinoptera bonasus, cow-nosed ray, cownose raylarge ray found along eastern coast of North America Atlantic manta, Manta birostrislargest manta (to 22 feet across wings); found worldwide but common in Gulf of Mexico and along southern coasts of United States; primarily oceanic Mobula hypostoma, devil raysmall manta (to 4 feet) that travels in schools Raja batis, gray skate, grey skatecommon European skate used as food Raja erinacea, little skatemost plentiful skate in North American inshore waters in summer; to 21 inches Raja radiata, thorny skatecold-water bottom fish with spines on the back; to 40 inches Raja laevis, barndoor skateone of the largest skates (to 5 feet); an active skate easy to hook elasmobranch, selachian any of numerous fishes of the class Chondrichthyes characterized by a cartilaginous skeleton and placoid scales: sharks; rays; skates |
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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。