Hexafluoroethane
[化] 六氟乙烷
🗣️ 情景例句
Stopping by Woods on a Snowy Evening
雪夜林边小驻足
That's a beautiful leather wallet,but it costs too much.
那是一个美丽的皮革钱包，但是它太贵了。
Sure. We were in the same class.
当然认识。我们同班呢。