Floram
重氟化铵
🗣️ 情景例句
That doesn't quite suit me.
我对次不甚满意。
I know the boy whose father is a captain.
我知道那个男孩的父亲是船长。
It was Sunday.I never get up early on Sundays.
那是个星期天，而在星期天我是从来不早起的，