他在会议上表现得很幼稚，不停地打断别人说话。
His infantile behavior during the meeting was disruptive as he kept interrupting others.
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infantile英 /ˈɪnfəntaɪl/|美 /ˈɪnfənˌtaɪl/
解释
### 解释
infantile 是由名词 infant（婴儿）加上后缀 -ile（表示"与...相关的"或"具有...性质的"）构成的形容词，字面意思是"像婴儿一样的"，引申为"幼稚的、孩子气的"。
His infantile behavior during the meeting was disruptive as he kept interrupting others.
### 解释 infantile 是由名词 infant（婴儿）加上后缀 -ile（表示"与...相关的"或"具有...性质的"）构成的形容词，字面意思是"像婴儿一样的"，引申为"幼稚的、孩子气的"。