感叹号是标点符号。

An exclamation mark is a punctuation mark.

Source: Tatoeba

Sentence Composition

1 感叹号 gǎntànhào exclamation mark ! (punct.)
=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 标点符号 biāodiǎnfúhào
  1. punctuation
  2. a punctuation mark