Azimethane
重氮甲烷
🗣️ 情景例句
What's your problem, Mike?
你现在问题在哪 ，Mike？
I'm afraid you will miss your train.
我怕你会错过火车。
It was not long before a helicopter arrived on the scene to rescue the survivors of the plane crash.
不久，一架直升飞机飞抵飞机失事现场，来搭救这几个幸存者。