Fluohafnate
氟鉿酸鹽
??? 情景例句
You'll have to come and see us soon.
你一定要再來看我們。
What does she mean by canceling her performance?
她取消自己的演出是什么意思？
If we spend all the money we'll try and win the football pools again.
如果我們花光了所有錢，我們設法在足球賽賭注上再贏一次。