Definition: the amount of writing in a book or document Level: C1
这本书的长度是300页。
The ___length of the book is 300 pages.
他写了关于这个主题的不同长度的书。
He has written books of various ___lengths on the subject.
所有文章都应该有相似的长度。
All essays should be of a similar ___length.
