Resulfurization
[冶]增硫, 回硫
🗣️ 情景例句
Oh, not at all. We're still eating.
噢， 没关系 。我们还在吃着呢。
Hello, This is operator.
喂！我是接线员。
Is there much of a difference in price?
价钱也有很大的分别吧？