radiation 英 [ˌreɪdiˈeɪʃn] 　 美 [ˌrediˈeʃən]

radiation

radiation　 英 [ˌreɪdiˈeɪʃn] 美 [ˌrediˈeʃən]

n. 辐射；放射物　

名词复数:radiations　

high levels of radiation that damage cells　损害细胞的高强度辐射
radiation sickness　辐射病

  • Radiation is energy transmitted in waves or a stream of particles. The first thing you think of as radiation is probably X-rays, but what cooks your food in the microwave oven is also radiation.
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  • n. 辐射；放射物

  • 1. high levels of radiation that damage cells

    损害细胞的高强度辐射

  • 2. radiation sickness

    辐射病

  • 3. the radiations emitted by radium

    镭释放出的放射线

  • 4. ultraviolet radiation

    紫外线辐射

  • radiation (n.) mid-15c., "act or process of radiating," from Middle French radiation and directly from Latin radiationem (nominative radiatio) "a shining, radiation," noun of action from past participle stem of radiare "to beam, shine, gleam; make beaming," from radius "beam of light; spoke of a wheel" (see radius). Meaning "rays or beams emitted" is from 1560s. Meaning "divergence from a center" is 1650s.
ra·di·ation / ˌreɪdiˈeɪʃn ; NAmE ˌreɪdiˈeɪʃn / noun 1 [uncountable ,  countable ] powerful and very dangerous raysthat are sent out from radioactivesubstances 辐射；放射线 ◆ high levels/doses of radiationthat damage cells 损害细胞的高强度辐射 ◆ the link between exposure to radiation and childhood cancer 接触辐射与儿童恶性肿瘤之间的联系 ◆ a radiation leak from a nuclear power station 核电站的辐射泄漏 ◆ radiation sickness 辐射病 ◆ the radiations emitted by radium 镭释放出的放射线 2 [uncountable ] heat, energy, etc. that is sent out in the form of rays 辐射的热（或能量等） ◆ ultraviolet radiation 紫外线辐射 ◆ electromagnetic radiation from power lines 输电线的电磁辐射 3 ( also ˌradiˈation therapy ) [uncountable ] the treatment of cancer and other diseases using radiation 放射疗法 ☞compare chemotherapy , radiotherapy radiation radiations ra·di·ation / ˌreɪdiˈeɪʃn ; NAmE ˌreɪdiˈeɪʃn /
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词频排名 noun:3679
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