Flunitrazepan
[医]氟硝安定（催眠镇静药）
🗣️ 情景例句
How long will it take to get some more in from the factory?
从工厂再运一些货过来要多久？
I'll have studied English for four years next March.
到明年三月，我就学了四年的英语了。[将来完成时，表示将完成…，会做完…]
What a shame! Never mind, I'll write to him.
真遗憾！不要紧，我会给他写信的。