英语词汇“radioactivity”的读音、翻译、释义、用法及例句-留学网

词汇	radioactivity
释义	ra·di·o·ac·tiv·i·ty /`redɪˏoæk`tɪvətɪ; ˌreɪdiəʊækˈtɪv^ɪti/ n [U] when a substance sends out radiation or produces energy in this way 放射（性）: High levels of radioactivity have been found in drinking water. 在饮用水中发现了有高强度的放射性。
随便看	breaks out break-step breaks through breaks up break-the-back-of break-the-ice break through breakthrough break-through breakthroughes breakthroughs breakthroughs' break through something break up breakup break up (with somebody) breakwater breakwaters break-with break with sb/sth break² break¹ *breast breast breasted

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