Pyrocoll
焦咯, 二碳化二吡咯
🗣️ 情景例句
Well, you really saved the day for me, Alexandra.
你真的帮了我一个大忙， Alexandra。
What does your father do?
你父亲做什么工作？
The winch was again put into operation and one of the men started up the truck.
绞盘机再次启动，一位工人发动了急修车的引擎。