Chems
[医][=chemistries]化学
🗣️ 情景例句
I'm so tired I think I'm overtired.
我好累， 我想我是累过头了。
Saying and doing are two things.
说与做是两回事。
We can offer you this in different levels of quality.
这产品我们有三种不同等级的品质。