Postorder
[计] 后根次序
🗣️ 情景例句
Yes. The number, please,of the Staten Island Ferry lost-and-found office.
我想问一下Staten岛渡轮失物招领处的电话号码。
Could you tell me where is the first-aid room?
你能不能告诉我急诊室在哪里？
There is a call for you.
有你的电话。