书架上都是书。

There are only books on the bookshelf.

Source: Tatoeba

Sentence Composition

1 书架 shūjià bookshelf

classifier: 個
2 上都 Shàngdū Shangdu, also known as Xanadu, summer capital of the Yuan Dynasty (1279-1368)
=3 是 shì
  1. to be (followed by substantives only)
  2. correct; right; true
  3. (respectful acknowledgement of a command) very well
  4. (adverb for emphatic assertion)
=3 是 shì variant of 是 shì
=4 书 Shū abbr. for 书经 Shūjīng
=4 书 shū
  1. book
  2. letter
  3. document
  4. to write

classifiers: 本, 冊, 部