Fluoborate
[機] 氟硼酸鹽
??? 情景例句
How much time will it take for my mail to get to where it is going?
我的信件到達它要去的地方要用多少時間？
I'm glad to, but I'm afraid I don't have the time.
我很樂意，但我恐怕沒時間。
Yes, it is.
是的，這是一支鋼筆。