ray

/reɪ/ n.
标准词条 CET-4
一句话记住

光线;一线(希望等);射线

释义与例句

n. 光线;一线(希望等)
a narrow line of light, or a small amount of something hopeful
  1. A ray of sunlight came through the curtain.
    一缕阳光透过窗帘照进来。
  2. The news gave her a ray of hope.
    这个消息给了她一线希望。
展开其余 1 条例句
  1. Dust danced in the rays of the setting sun.
    尘埃在夕阳的光线中飞舞。
n. 射线
a narrow beam of energy, such as X-rays, used in medicine or science
  1. The dentist took an X-ray of my back teeth.
    牙医给我的后牙拍了X光片。
  2. Doctors use gamma rays to treat certain tumours.
    医生用伽马射线治疗某些肿瘤。
展开其余 1 条例句
  1. The laboratory shields its staff from harmful rays.
    实验室保护员工免受有害射线的伤害。

词源与构词

记忆钩子 ray 可数,一条光线说 a ray of light;表示“一线希望”用 a ray of hope。

词族与关联词

词族(同一词根派生出的不同词性或形式)
  • X-ray X光;X射线
    可作名词或动词,如 take an X-ray、X-ray the chest。
同义词
  • beam 光束;光线
    ray 常指从光源发出的一条细光线;beam 指较宽、较集中的光束。误用:*a beam of sunlight through the curtain 强调细线时用 ray 更贴切。
    A beam of light swept across the sky. 一束光扫过天空。
常见搭配
  • a ray of light 一束光线
    A single ray of light fell across the floor. 一束光线落在地板上。
  • a ray of sunshine 一缕阳光;一丝温暖
    Her visit was a ray of sunshine in his dull week. 她的来访为他沉闷的一周带来了一丝亮色。
  • X-ray X光;X射线
    The X-ray showed no broken bones. X光片显示没有骨折。