n. 雷〔姓氏，男子名， Raymond 的昵称〕。 n. 1.光线，射线，热线；〔诗〕光辉，闪烁，曙光，一线光明。 2.辐射状物；辐肋；【植物；植物学】星状毛分枝，伞形花序枝；【动物；动物学】鳍刺；?；【几】半直线。 短语和例子 actinic rays 光化射线。 anode [cathode] rays 阳极[阴极]线。 Becquerel rays 柏克勒尔射线〔法人 Becquerel 发现的镭等的放射线，有 α rays, β rays, γ rays 〕。 cosmic rays 宇宙线。 electric rays 电子束；电磁波。 H rays 氢离子束。 infra-red rays 红外线。 ultra-violet rays 紫外线。 Roentgen rays＝X rays X 光线。 a star with six rays 六角星。 a ray of hope 一线希望。 a ray of truth 一丝真理。 vt. 1.放射，照射，投射。 2.〔俚语〕给…照X 光像片。 vi. 放射光线；(思想、希望等)闪现。 adj. -less n. 【动物；动物学】(短鼻)鹞鱼 〔cf. skate2〕。 a whip ray ?。
cartilaginous fishes having horizontally flattened bodies and enlarged winglike pectoral fins with gills on the underside; most swim by moving the pectoral fins
any of the stiff bony spines in the fin of a fish
the syllable naming the second (supertonic) note of any major scale in solmization 同义词：re,
a column of light (as from a beacon) 同义词：beam, beam of light, light beam, ray of light, shaft, shaft of light, irradiation,
a group of nearly parallel lines of electromagnetic radiation 同义词：beam, electron beam,
a branch of an umbel or an umbelliform inflorescence
(mathematics) a straight line extending from a point
expose to radiation; "irradiate food" 同义词：irradiate,
extend or spread outward from a center or focus or inward towards a center; "spokes radiate from the hub of the wheel"; "This plants radiate spines in all directions" 同义词：radiate,
emit as rays; "That tower rays a laser beam for miles across the sky"
例句与用法
1.
Say! what's the idea of the glad rays ? 嘿，穿那么讲究的衣裳干什么？
2.
Ray paulsen didn't give up easily . 雷波尔森没那么容易就善罢甘休。
3.
A blooming tree absorbs the sun's rays . 郁郁葱葱的树木沐浴着阳光。
4.
These rays would not be visible to our eyes . 人眼是看不见这些射线的。
5.
In this case the rays obviously do not converge . 此时，光线显然不会聚。
6.
All rays leaving the laser are in phase . 由激光发射出的光线都是同位的。
7.
The plastic blocks infrared rays from sunlight . 这种塑料可以阻挡阳光中的红外线。
8.
The bending of the light rays is caused by refraction . 光线的弯曲是由折射造成的。
9.
In the first red rays of the sun they were in the lot . 天刚放亮，他们已经下地了。
10.
Similar considerations apply to the diffracted rays . 对衍射光线可采用同样的论证。
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