Postvulcanization
后硫化, 二次硫化
🗣️ 情景例句
We have strict procedure around here and we expect all of our staff to follow it.
我们这儿有非常严格的工作程序，希望全体员工遵守。
Is it convenient to you if I come at 6 p.m.?
如果我下午6点来拜访你，方便吗？
They look around ,but Li Mei did not wait for their thanks.
他们看看周围--但刘梅没有等他们感谢就走了。