Radioactive contaminant
[医] 放射性污染物
🧩 词语组成解析
contaminant
[kən'tæminənt]
n. 污染物，致污物;
🗣️ 情景例句
Oh, Richard, it really isn't that bad.
喔 ，Richard ，事情没有那么糟。
Grocery bills are expensive.
食品价格昂贵。
I haven't heard from her for a long time.
我好久没有她的消息了。