Defstruct
定义结构
🗣️ 情景例句
Would you happen to have a room for two availbale
你们可有一个双人房间
I didn't know whether to send the letter airmail or not.
我不知道是否送航空邮件。
CUSTOMS OFFICER: Are your friends tourists too?
你们的朋友也是来旅游的吗？