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radiation什么意思及同义词

沪江词库精选radiation是什么意思、英语单词推荐、用法及解释、中英文句子翻译、英语短语、词汇辨析
英音 [reidi'eiʃən] ;
美音 [reidi'eiʃən] ;
名词
1.[U,C]辐射;放射线
2.不可数名词:辐射的热(或能量等)
3.不可数名词:(也作radiation therapy)放射疗法
词形变化
英语解释
  • 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
  • energy that is radiated or transmitted in the form of rays or waves or particles
  • (medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance
  • the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay
  • a radial arrangement of nerve fibers connecting different parts of the brain
  • the spread of a group of organisms into new habitats
  • the act of spreading outward from a central source
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