Hexafluoroethane
[化] 六氟乙烷
🗣️ 情景例句
Why do you want to leave your current employment?
你为什么希望离开目前的工作？
The best mirror is an old friend.
老朋友是最好的镜子。
That does not prove that it does not exist;
这并不是证实不存在噪音对健康的影响。