Tetrazene
四氮烯
🗣️ 情景例句
I don't know if I can get to sleep.
我不知道我能否睡得着。
I will go out with him is he asks me.
我会和他出去，假如他要求我的话。
No, I didn't. I didn't have his telephone number.
不，没有。我没有他的电话号码。