radiation 详细解释
radiation
[.reidi'eiʃən]
n.辐射, 放射线
n.
1. 发光; 发热; 辐射[U]
2. 辐射能; 放射线, 放射物[C][U]
This apparatus produces harmful radiations.
这个装置产生有害的放射物。
3. 发射; 传播[U]
4. 【生】辐射形进化[U]
词形变化
形容词: radiative | 动词过去式: radiated | 动词过去分词: radiated | 动词现在分词: radiating | 动词第三人称单数: radiates |
英英释义
名词 radiation:
energy that is radiated or transmitted in the form of rays or waves or particles
the act of spreading outward from a central source
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
同义词:radiation sickness, radiation syndrome
the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay
同义词:radioactivity
the spread of a group of organisms into new habitats
a radial arrangement of nerve fibers connecting different parts of the brain
(medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance
同义词:radiotherapy, radiation therapy, actinotherapy, irradiation
补充
radiationradiation英:[ˌreidiˈeiʃən] 美:[ˌrediˈeʃən]n.1.辐射(能); 放射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.放射物This apparatus produces harmful radiations.这种仪器会产生有害的辐射物。例句
1. Can the radiation from mobile phones be harmful to humans?手机辐射对人有害吗? 2. ultraviolet radiation紫外线辐射 3. She was exposed to high levels of radiation.她受到了高强度辐射。 4. He goes in for radiation next week.他下周去做放射治疗。 5. ultraviolet radiation紫外线辐射 6. the sun's radiation of heat太阳的热辐射