Perfluocarbon
[化] 全氟化碳
🗣️ 情景例句
We are.
我们是。
Shall I come by early to help you get ready?
我提早一点来，帮忙准备宴会好吗？
There were English cars, French cares, German cars.Italian cars.American cars and Japanese cars.
有英国、法国、德国、意大利和日本的汽车。