n. 射线；[俚]日光浴；光线（ray的复数）

n a column of light (as from a beacon)
n a branch of an umbel or an umbelliform inflorescence
n (mathematics) a straight line extending from a point
n a group of nearly parallel lines of electromagnetic radiation
n the syllable naming the second (supertonic) note of any major scale in solmization
n any of the stiff bony spines in the fin of a fish
n cartilaginous fishes having horizontally flattened bodies and enlarged winglike pectoral fins with gills on the underside; most swim by moving the pectoral fins
v emit as rays
v extend or spread outward from a center or focus or inward towards a center
v expose to radiation

rays的用法和样例：

例句

用作名词(n.)

The researches are concerned with alpha rays.这些研究是关于阿尔法射线的。
The ozone layer blocks some harmful rays which the sun gives off.臭氧层阻隔了太阳发出的一些有害射线。

词汇搭配

ray光线
gamma radiation伽马射线
alpha rays线
X-rayX射线
gamma rays伽马射线
catch some rays晒太阳

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