Backlining
n. (加固书脊的)背衬料
🗣️ 情景例句
You're right. How do you feel about it?
说对了。你觉得怎么样？
When am I supposed to check in?
我应该在什么时候到机场办理手续呢？
Suddenly, one of the children kicked a ball very hard and it went towards a passing boat.
突然，一个孩子狠狠地踢了一脚球，球便向着一只划过来的小船飞去。