Planceer
(房的)底面
🗣️ 情景例句
You'll learn a lot.
会增长不少见识。
I didn't know whether to send the letter airmail or not.
我不知道是否送航空邮件。
We shall need two buses to meet people at the staton.
我们需要两辆公共汽车到车站去接人。