Polyhalogenation
多卤化反应
🗣️ 情景例句
Yeah, we caught lots of them. Look!
当然 我们抓到不少鱼。看！
A wise man cares not for what he cannot have.
智者不作非凡之想。
from which can be seen the strata the drill has been cutting through.
从中能看出钻头所钻透的地层。