Fof
abbr. free on field (airmail) 野外免费
🗣️ 情景例句
Please stay where you are, we'll have a patrol car there in two minutes.
请您呆在原地，两分钟之内我们派巡逻车过来。
Good to see you too, I think.
幸会……，大概。
He wants to ride the machine like a bike and fly it like a plane.
他想让机器可以像自行车那样骑，可以像飞机那样飞。