Thioacylation
[化] 硫代酰化作用
🗣️ 情景例句
A couple of weeks.
两、三个星期吧。
He is now out of touch with his old friends.
他现在已经没有和他过去的朋友联系了。
Good. I 'm glad we're all done.
太好啦，我真高兴一切都成了。