paper,纸，back,封面。比较hardback.

1. She flicked through a romantic paperback between occasional dips in the pool.

用在泳池里游一阵后歇一阵的几个空当，她翻完了一本平装本言情小说。

来自柯林斯例句

2. When is it coming out in paperback ?

这本书的平装本什么时候出版？

来自《权威词典》

3. Many books that are out of print are reissued in paperback form.

许多绝版的书籍又以平装本形式重新出现.

来自《简明英汉词典》

4. When is the novel coming out in paperback?

那部小说的平装本什么时候出版?

来自《简明英汉词典》

5. She said she would buy the book when it comes out in paperback.

她说等那本书出平装本时再买。

来自柯林斯例句