例句
英语四级真题
E-book sales are up 146 percent over last year, while hardback sales increased 6 percent and paperbacks decreased 8 percent.
出自-2014年6月阅读原文
Hardback and trade paperbacks for "serious" nonfiction and fiction will surely last longer
出自-2014年6月阅读原文
Paperbacks of popular literature are more likely to be replaced by e-books.
出自-2014年6月阅读原文
柯林斯高阶英汉双解学习词典释义