Hexafluoroethane
[化] 六氟乙烷
🗣️ 情景例句
Collecting matchsticks was fun, until that fateful day one of them caught alight.
收集火柴是一种乐趣，除非一天其中一根火柴不幸燃烧起来。
She doesn't come as ofter as she used to.
她现在已经不像以前那样常来了。
If you do that, you'll soon feel much healthier.
如果你那样做，很快你就会感到身体健康得多。