Polyfluocarbon
[化] 多氟烃
🗣️ 情景例句
I like being near her.
我喜欢离她近一点。
Let's go Dutch.
分摊吧！
After years of conditioning, most of us have developed an unshakable faith in railway timetables.
经过多年的适应，大多数人对火车时刻表产生了一种不可动摇的信念。