Hexafluoroethane
[化] 六氟乙烷
🗣️ 情景例句
OK, Philip. This is your third cup of coffee.
好啦 Philip。这是你第三杯咖啡了。
Who laughed a while ago?
刚才谁在笑？
The questions were very easy.How about you, Gary?
题目很容易。加里，你怎么样？