Fluoropentachloroethane
(一) 氟五氯乙烷
🗣️ 情景例句
If you need anything, just ask.
假如你需要什么尽管讲。
Don't get me wrong.
不要误会我。
Nice to meet you too! What class are you in?
我也很高兴。你是哪班的？