Geochemists
(geochemist 的复数) n. 地球化学家
🗣️ 情景例句
Yes, I know that.
是的 ，我知道。
My sister worked as a secretary before she got married.
在她结婚了以前，我的姐姐为一位秘书。
I need some sleep.
我需要睡眠。