Backlining
n. (加固书脊的)背衬料
🗣️ 情景例句
Can you tell me when …will be in?
你能告诉我……什么时候在吗？
He isn't really serious; he's just playing games with her.
他并不是一本正经，只是跟她玩玩游戏而已。
You are walking too fast. I can't keep up with you.
你走得太快，我跟不上。