| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024ray1 /reɪ/USA pronunciation n. [countable]- a narrow beam of light.
- a slight sign or indication:a ray of hope.
- Optics, Physics, Optics
- any of the lines or streams in which light appears to radiate from a bright body.
- a stream of particles all moving in the same straight line, as x-rays.
ray2 /reɪ/USA pronunciation n. [countable]- Fisha kind of fish having a flattened body and greatly enlarged front fins with the gills on the undersides.
WordReference Random House Unabridged Dictionary of American English © 2024ray1 (rā),USA pronunciation n. - a narrow beam of light.
- a gleam or slight manifestation:a ray of hope.
- a raylike line or stretch of something.
- light or radiance.
- a line of sight.
- Optics, Physics, Optics[Physics, Optics.]
- any of the lines or streams in which light appears to radiate from a luminous body.
- the straight line normal to the wave front in the propagation of radiant energy.
- a stream of material particles all moving in the same straight line.
- Mathematics
- Mathematicsone of a system of straight lines emanating from a point.
- MathematicsAlso called half-line. the part of a straight line considered as originating at a point on the line and as extending in one direction from that point.
- any of a system of parts radially arranged.
- Zoology
- one of the branches or arms of a starfish or other radiate animal.
- one of the bony or cartilaginous rods in the fin of a fish.
- [Bot.]
- BotanySee ray flower.
- Botanyone of the branches of an umbel.
- BotanySee vascular ray.
- Botany(in certain composite plants) the marginal part of the flower head.
- Astronomyone of many long, bright streaks radiating from some of the large lunar craters.
- a prominent upright projection from the circlet of a crown or coronet, having a pointed or ornamented termination.
- Idioms get or grab some rays, [Slang.]to relax in the sun, esp. to sunbathe.
v.i. - to emit rays.
- to issue in rays.
v.t. - to send forth in rays.
- to throw rays upon;
irradiate. - Medicineto subject to the action of rays, as in radiotherapy.
- Medicine, Informal Terms[Informal.]to make a radiograph of;
x-ray. - to furnish with rays or radiating lines.
- Latin radius radius
- Old French rai
- Middle English raie, raye 1300–50
- 1.See corresponding entry in Unabridged See gleam.
ray2 (rā),USA pronunciation n. - Fishany of numerous elasmobranch fishes, adapted for life on the sea bottom, having a flattened body and greatly enlarged pectoral fins with the gills on the undersides.
- Latin raia
- Old French rai)
- Middle English raye (1275–1325
- Biographical John, 1627?–1705, English naturalist.
Man (man),USA pronunciation 1890–1976, U.S. painter and photographer.Sat•ya•jit (sut′yə jit),USA pronunciation 1921–92, Indian film director.- a male given name, form of Raymond.
- Also, Raye. a female given name, form of Rachel.
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