Resulfurization
[冶]增硫, 回硫
🗣️ 情景例句
without cultural programs in our school.
我们的学校里没有文化活动。
He gave her his word that he would never be late again.
他向她保证，绝不再迟到。
I can see why you are having some problems with it.
我明白为什么你用起来会有问题了。