radiation

英 [ˌreɪdi'eɪʃn] 美 [ˌreɪdi'eɪʃn]

• n. 辐射；放射线

双解释义

n. (名词)

1. [U]辐射(能),放射

   the radiating of heat, light, etc.; radioactivity

2. [P]放射物

   thing that is radiated

详尽释义

n. 名词

1. 【物】辐射，放射，辐射能
2. 放射线，辐射线
3. 放射物
4. 发光，射光
5. 发射
6. 发热，放热
7. 传播
8. 【生】辐射形进化
9. 辐射的热
10. 放射疗法，射线疗法
11. 散热器
12. 照射（作用）
13. 【动、植】辐射形

英英释义

Noun:

1. energy that is radiated or transmitted in the form of rays or waves or particles

2. the act of spreading outward from a central source

3. syndrome resulting from exposure to ionizing radiation (e.g., exposure to radioactive chemicals or to nuclear explosions); low doses cause diarrhea and nausea and vomiting and sometimes loss of hair; greater exposure can cause sterility and cataracts and some forms of cancer and other diseases; severe exposure can cause death within hours;

   "he was suffering from radiation"
   

4. the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay

5. the spread of a group of organisms into new habitats

6. a radial arrangement of nerve fibers connecting different parts of the brain

7. (medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance

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

近反义词

【近义词】

• radioactivity 放射性
• particle emission 粒子发射
• energy 精力
• fallout 原子尘的降下...
• contamination 污染
• pollution 污染
• radiotherapy 放射线疗法
• radiation therapy 放射治疗
• radiation syndrome 辐射并发
• radiation sickness 辐射病
• actinotherapy 射线疗法
• irradiation 发光