radiation [ˌreɪdiˈeɪʃn]

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单词级别

第3级

基本释义

n.放射；发射；辐射；放射物

英英释义

a form of energy that comes from a nuclear reaction and that can be very dangerous to health

参考例句

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。
Sunlight consists of different wavelengths of radiation. 阳光由几种不同波长的射线组成。

radiation [ˌreɪdiˈeɪʃn]

单词级别

基本释义

英英释义

参考例句

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