音标:[.reidi'eiʃәn] ; 柯林斯词典等级:2 级;
n. 辐射
[化] 放射
n. energy that is radiated or transmitted in the form of rays or waves or particles
n. the act of spreading outward from a central source
n. the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay
n. the spread of a group of organisms into new habitats
词型变化:名词复数形式 : radiations
考试类型:[高考/四级/六级/考研/托福]
词性分布:
名词100%

radiation的用法和样例:

例句

用作名词(n.)
  1. Radiation reached unheard-of levels.辐射作用已达到前所未有的程度。
  2. The most terrifying aspect of nuclear bombing is radiation.核弹轰炸最可怕的一面是辐射。
  3. In the accident, the workers received a heavy dose of radiation.在这次事故中,工人受到大剂量的辐射。
  4. The news of the radiation leak caused widespread public alarm.辐射泄露的消息引起了公众的普遍恐慌。
  5. The body cannot tolerate such large amounts of radiation.身体经不住那么大剂量的放射线。
  6. The mutations in plants caused by radiation have been found in experiments.放射线引起植物变异已在实验中被证实。

常见句型

用作名词(n.)
  1. The sun, a lamp, or an electric heater all warm us by radiation.太阳、灯或电热器都可以通过辐射来温暖我们。
  2. An X-ray machine emits radiation.X光机发出辐射能。
  3. This apparatus produces harmful radiations.这种仪器会产生有害的辐射物。

词汇搭配

用作名词 (n.)
动词+~
  • emit〔give off〕 radiation放出射线
  • produce radiation产生辐射
形容词+~
  • cosmic〔nuclear〕 radiation宇宙〔核〕辐射
  • harmful radiation有害的辐射
  • solar radiation太阳辐射
介词+~
  • large amount of radiation大量辐射
  • expose sth to radiation使某物暴露于辐射中
【近义词】

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