Word · CEFR A2 · Frequency #3865
ray
光线；射线
核心释义
A narrow beam of light or other radiation.
- 1.
光束或辐射
A beam of light or radiation.
- 2.
扁平身体、大翼状鳍和鞭状尾巴的海洋鱼类超目
Any of the superorder Batoidea of marine fish with flat bodies, large wing-like fins, and whip-like tails.
- 3.
Pitman速记中表示r音的两个字母之一
The letter ⟨/⟩, one of two which represent the r sound in Pitman shorthand.
- 4.
光束(如灯塔的光束)
a column of light (as from a beacon)
- 5.
鱼鳍中的骨或软骨状肋状结构
A rib-like reinforcement of bone or cartilage in a fish's fin.
- 6.
伞形花序的分枝
a branch of an umbel or an umbelliform inflorescence
- 7.
辐射体的球形部分,尤其是海星或蛇尾的臂
One of the spheromeres of a radiate, especially one of the arms of a starfish or an ophiuran.
- 8.
(数学)射线
(mathematics) a straight line extending from a point
- 9.
花或植物的辐射部分；复合花的边缘小花,如紫菀或向日葵；伞形花序或其他圆形花簇的花梗；半径
A radiating part of a flower or plant; the marginal florets of a compound flower, such as an aster or a sunflower; one of the pedicels of an umbel or other circular flower cluster; radius.
- 10.
从一点向一个方向无限延伸的线
A line extending indefinitely in one direction from a point.
鳐鱼；魟鱼；射线；鳍条；边花；伞形花序分枝；（海星等的）腕
用法In use
A ray of sunlight streamed through the window, warming the room.
用法提示：这里'ray'表示一束光线。
In the dark cave, the only light came from a single ray from a crack above.
用法提示：这里'ray'表示一道光线。
The prism separated the white light into rays of different colors.
用法提示：这里'rays'（复数）表示多条光线。
a ray of [noun]
常用于描述光线或抽象事物（如希望）。
A ray of sunlight streamed through the window.
一缕阳光从窗户射进来。
[adjective] rays
常与形容词连用，描述光线的性质。
相关词与表达Connections
搭配Collocations
- ray of light
- 一线光
- A ray of light entered the dark room.一缕光线进入了黑暗的房间。
- sun's rays
- 太阳光线
- The sun's rays warmed the beach.太阳光线温暖了海滩。
- X-ray
- X射线
- The doctor ordered an X-ray of my chest.医生给我开了胸部X光检查。
- ray of hope
- 一线希望
- The news brought a ray of hope to the family.这个消息给这个家庭带来了一线希望。
- cosmic rays
- 宇宙射线
学习提示Learner notes
记忆技巧Memory Tip
联想字母R像光芒四射的形状，ray即光线，一道笔直的射线。
语境与语域Context & Register
通常用于描述光线，中性偏正式，常见于物理、光学或日常描述；也可用于比喻如'一丝希望'。
发音与拼写Pronunciation & Spelling
All these words share the spelling 'ay' and rhyme with 'ray' (stressed vowel /eɪ/). No common lookalikes that differ in pronunciation.
用法优先级Usage priority
Collins 词频等级为 3，建议结合例句记忆，而不是只背中文释义。
一起学习词形Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.