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
Please send me a post card.
记住给我寄名信片。
Congratulations on the completion and opening of a new Beijing branch!
祝贺美国银行北京分行的建成和开业！
If you want to send a letter to an office abroad that is in a different time zone, you can send a fax, and it will be received even though the office is not open.
如果你要寄信到不同时区的国外办公室，你可以发个传真，即使办公室不开门，信也会被收到。