Backwall
[电] 背墙
🗣️ 情景例句
But it is not polite to ask older people their age.
但问老人的年龄是不礼貌的。
I'd like to make an appointment to see Mr. Cooper.
我想预约见库珀先生。
In answer to these questions I either nodded or made strange noises.
作为对这些问题的回答，我不是点头，就是发出奇怪的声音。