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infantile

/ˈɪnfəntaɪl/ American
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  • adj. 婴儿的
  • adj. 幼稚的
Definition
  • adj. relating to babies
  • adj. behaving in a very immature way
Example
His infantile behavior at the meeting embarrassed the entire sales team.
他在会议上幼稚的行为让整个销售团队都感到尴尬。
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Word familyinfan-