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
Would you tell me some more details?
你能讲得详细点吗？
No one is a fool always, every one sometimes.
无人总是当傻瓜，人人有时当傻瓜。
The further off this solid obstruction, the longer time will elapse for the return of the echo.
固体障碍物越远。回声返回所用时间就越长。