Specific radioactivity
[化] 比放射性
🧩 词语组成解析
radioactivity
[,redɪoæk'tɪvəti]
n. 放射（性）;辐射能;
radio光线+act行动，做+ivity表示情况、状态、“...性”、“...力” →放射性；[核] 放射能力；[核] 放射现象
🗣️ 情景例句
Her efforts were rewarded by good results.
她的努力获得了良好的结果。
Sorry, I guess I wasn't thinking. I won't do it again.
对不起。我对这事没想过，下次不这样了。
Get over yourself.
别自以为是。