Radiocesium
n. [化] 放射铯, 放射性铯
🗣️ 情景例句
whom I think you've met once or twice before.
我想你以前见过他一两次面。
A man of words and not deeds is like a garden full of weeds.
空有言语而无行动的人，犹如杂草丛生的花园。
I can't see. I think they're in her pencil-box.
我看不到。我想大概在她的铅笔盒里。