Biogeochemistry
[医] 生物地理化学
🗣️ 情景例句
Excuse me, where can I find the shoe polish?
问一下，我到哪儿能买到鞋油？
To be of use in the world is the only way to be happy.
为善最乐。
I was thinking of 40% off.
打个6折吧。