他們是兒童嗎？

Are these children?

Source: Tatoeba

Sentence Composition

1 他們 tāmen they; them
=2 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)
=2 是 shì variant of 是 shì
3 兒童 értóng child
=4 嗎 má (coll.) what?
=4 嗎 mǎ used in 吗啡 mǎfēi
=4 嗎 ma (question particle for "yes-no" questions)