Hexafluoride
n. 六氟化物
🗣️ 情景例句
I think she has a stomachache.
我想她肚子痛。
Just made it.
末班车。
He was obviously very nervous and for some minutes stood awkwardly before the microphone.
他显然非常紧张，局促不安地在麦克风前站了好几分钟。