infantile

婴儿时期的语言发展通常被称为牙牙学语阶段。

The ___infantile stage of language development is often referred to as babbling.

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.
在 App 中打开