Dinitromethane
二硝基甲烷
🗣️ 情景例句
I'm almost ready here.
我快要准备就绪了。
I'd like your professional advice.
我想要听听你专业方面的意见。
He turned on the light, but he couldn't see anyone. The thieves had already gone.
他开了灯，但不见一个人。小偷逃走了。