Nitrolamine
硝脑胺
🗣️ 情景例句
I see. By the way, how many people are working in your factory now?
哦，我知道了。顺便问一下，现在贵厂有多少在职职工？
When I had a rest, what were you doing?
当我休息时，你在做什么？
I've travelled many miles and I'm very glad I made the effort.
我远道而来，但是我很高兴没有白跑。