Perfluoropropane
[机] 八氟丙烷
🗣️ 情景例句
But his teeth hurt, and he just can't get to sleep, poor dear.
但他的牙疼， 他不能入睡， 可怜的小宝贝。
Show me a liar, and I'll show you a thief.
谎言是做贼的第一步。
When will we hear something from him?
什么时候会有消息呢？