Backlining
n. (加固书脊的)背衬料
🗣️ 情景例句
A little further to the right, Tom.
再往右一点， Tom。
If you look up, you can see the airplanes.
抬头看，你看到飞机了吧。
She loves her work because she loves books.
她热爱自己的工作，因为她喜爱图书。