Biogeochemist
生物地球化学家
🗣️ 情景例句
They really cleaned me out.
他们把我洗劫一空。
It is easier to descend than to ascend.
下降容易上升难。
That's very late.Can the dentist see me now?
那就太晚了。牙科医生现在就不能给我看一下吗？