Fof
abbr. free on field (airmail) 野外免费
🗣️ 情景例句
Let us try it!
让我们试试吧！
What? Already? Won't you have more coffee?
怎么，已经要走了？要不要再喝点咖啡？
I'm afraid all these offices are non-smoking offices.
恐怕这些办公室都是禁烟办公室。