Decarburation
脫碳
??? 情景例句
I'll get some for you.
我去替你買一些。
Let not the cobbler go beyond his last.
安分守己。
I agree with you. We've got to do something about pollution. It's getting worse.
我同意你的看法。我們得對污染采取措施了。污染越來越嚴重了。