Hexafluoroethane
[化] 六氟乙烷
🗣️ 情景例句
Just relax.
不用紧张。
Enjoy you meal.
请慢慢享用吧。
He lived in this century, was born in Germany and spent the last part of his life in the USA.
他生活在本世纪，出生于德国，在美国度过了他的晚年。