radiation
/ˌreɪdiˈeɪʃən/
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n. 輻射；放射線
- Hikers above three thousand meters should wear sunscreen because ultraviolet radiation is much stronger up there. 在海拔三千公尺以上健行的人應該擦防曬，因為那裡的紫外線輻射強得多。
其他意思
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n. 輻射
Radiation consists of very small particles of a radioactive substance. Large amounts of radiation can cause illness and death.
- They suffer from health problems and fear the long term effects of radiation
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字根
radi 光線
radi + ation光線 + 名詞