暴露在辐射中；照射；
同义词：beambeam of lightlight beamray of lightshaftshaft of lightirradiation
a branch of an umbel or an umbelliform inflorescence(mathematics) a straight line extending from a pointa group of nearly parallel lines of electromagnetic radiation同义词：beamelectron beam
the syllable naming the second (supertonic) note of any major scale in solmization同义词：re
any of the stiff bony rods in the fin of a fishcartilaginous fishes having horizontally flattened bodies and enlarged winglike pectoral fins with gills on the underside; most swim by moving the pectoral finsv.emit as rays"That tower rays a laser beam for miles across the sky"
extend or spread outward from a center or focus or inward towards a center同义词：radiate
expose to radiation同义词：irradiate
x rayX光，X射线
a ray of hope一线希望
ultraviolet ray紫外线
infrared ray红外线
ray tracing光线追迹，射线跟踪
ray of sunshine阳光游戏，追逐阳光
gamma ray n. 伽马射线，γ射线
ray of light光线；光芒四射
cathode ray阴极射线
ray tube射线管
cosmic ray宇宙线
cathode ray tube阴极射线管
far infrared ray远红外线
light ray光线；[计]光射线
incident ray入射线
ray charles n. 雷·查尔斯（美国第一位灵歌艺人）
reflected ray反射线
violet ray紫色光线Ｘ
fin ray鳍条
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