Allochem
异化粒; 外源化学沉积
🗣️ 情景例句
I've got to start thinking about college soon.
我很快也得开始考虑大学的事了。
In college I majored in economics, What was you major?
大学时我主修经济，你主修什么呢？
We're so proud of you.
我们十分为你骄傲。