Word · Frequency #3865
rays
放射；发出射线
rays is the third person singular of ray.
核心释义
to emit or radiate as if in rays
- 1.
像光线一样发出某物
To emit something as if in rays.
- 2.
像光线一样辐射
To radiate as if in rays.
- 3.
暴露于辐射中
To expose to radiation.
使受辐射；照射；像光线一样发出某物；像光线一样辐射；暴露于辐射中；射出光线
用法In use
The sun rays through the clouds every morning.
用法提示：句中的ray用作不及物动词，表示“射出光线”。
A smile rayed across her face when she heard the news.
用法提示：句中的rayed用作不及物动词，表示“浮现”。
The lighthouse rays a powerful beam of light into the darkness.
用法提示：句中的rays用作及物动词，表示“放射”。
ray sth
及物用法，宾语为被发出的光、热等，较书面且少见。
The lamp rayed a soft light across the room.
那盏灯向房间里投出一道柔和的光。
ray out (from sth)
不及物用法，常与 out、from 等连用，表示像射线一样向外发散。
Bright light rayed out from the crack in the door.
相关词与表达Connections
习语与比喻表达Idioms & figurative uses
- a ray of hope
- 一线希望The news gave us a ray of hope.这个消息给了我们一线希望。
- a ray of sunshine
- 给人带来快乐的人（常作反语）Come on, be a ray of sunshine for once.拜托，偶尔也开心一点。
- catch some rays
- 晒晒太阳I'm going to the beach to catch some rays.我要去海滩晒晒太阳。
学习提示Learner notes
记忆技巧Memory Tip
太阳发出的光线叫 ray，读 /reɪ/；动词也是这个 ray，想象光芒四射、向外辐射，拼写不变。
语境与语域Context & Register
语域：mixed 常见场景：literary or poetic writing、scientific or medical writing 作动词时，“像光线般放射”多用于文学性描述或正式书面语；而“使受辐射”则常见于物理、医学等科技语境。日常口语中较少单独使用，更常用 radiate 或 expose to radiation 等表达。
语法说明Grammar Note
可作为及物或不及物动词
发音与拼写Pronunciation & Spelling
All listed words rhyme with 'ray' (/reɪ/): day, play, stay, way, say, may. Warning: 'rayon' (/ˈreɪ.ɒn/) and 'raze' (/reɪz/) look similar to 'ray' but do not rhyme with it.
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。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.