Resulfurization
[冶]增硫, 回硫
🗣️ 情景例句
So do I.
我也是。
The agricultural region is centered largely in the north.
那里的农业区大部分集中在北部。
I'm very sorry. I borrowed a book from the library two weeks ago.
“很对不起。两周前我从图书馆借了一本书。