Backstand
张紧座; 后座; 支撑结构
🗣️ 情景例句
Thank you.
谢谢。
The masses have boundless creative power.
群众有无尽的创造力。
No, they're still working on it.Let's go into the garage and have a look at it.
没有，他们还在修呢。我们到车库去看一下吧。