choo-choo
noun /ˈtʃuː tʃuː/
  /ˈtʃuː tʃuː/
(plural choo-choos)
- a child’s word for a trainWord Originearly 20th cent. (originally US): imitative.
 
| 单词 | choo-choo | 
| 释义 | choo-choonoun /ˈtʃuː tʃuː/   /ˈtʃuː tʃuː/ (plural choo-choos) 
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