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radiation

美国发音:[.reɪdi'eɪʃ(ə)n]
英国发音:[.reɪdi'eɪʃ(ə)n]

[n]
英语解释:energy emitted in the form of particles by substances such as uranium and plutonium, whose atoms are not stable and are spontaneously decaying.
常见翻译:〔物〕辐射,辐射性现象,放射现象;射线,放射线