Fk
abbr. 外键（foreign key）
🗣️ 情景例句
It will take less than 5 minutes to check out.
退房最多只需5分钟。
Our stock of this commodity is limited, please place your order without delay.
我方此类商品的存货有限，请尽快订货。
He drives more carefully than you.
他开车比你小心。