| 词汇 | radiation |
| 释义 | radiation 2 ENTRIES FOUND: radiation (noun) radiation sickness (noun) radiation /ˌreɪdiˈeɪʃən/ noun radiation /ˌreɪdiˈeɪʃən/ noun Learner's definition of RADIATION [noncount] 1 : a type of dangerous and powerful energy that is produced by radioactive substances and nuclear reactions辐射 She was exposed to high levels of radiation.她受到了高强度辐射。 2 medical : the use of controlled amounts of radiation for the treatment of diseases (such as cancer)放射疗法；辐射疗法 He goes in for radiation next week.他下周去做放射治疗。 — called also radiation therapy, radiotherapy 3 a : energy that comes from a source in the form of waves or rays you cannot see（波或射线的）辐射能 ultraviolet radiation紫外线辐射 b technical : the process of giving off energy in the form of waves or rays you cannot see辐射的过程 the sun's radiation of heat太阳的热辐射 |
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