Bifluoride
[机] 氟氢化物
🗣️ 情景例句
What's wrong, Susan?
有什么问题吗， Susan？
Half a loaf is better then no bread.
半块面包亦胜无。
Next Friday? Why, what's happening? I'm going away for the weekend.
下星期五？嗨，到底有什么事情？我要外出度周末。