Hexafluoroethane
[化] 六氟乙烷
🗣️ 情景例句
I've never seen you so wound up.
我从来没有看过你这么紧张。
Do you have a visa?
你有签证吗？
All right. Just for a minute. I came to give you a message.
好！稍等一会儿。我来给你捎个口信。