adj.婴幼儿特有的，孩子气的，婴儿的，幼儿的

His infantile behavior included throwing tantrums whenever he didn't get his way.
他的幼稚行为包括在事情不顺心时大发脾气。
The infantile giggles filled the room as the children watched the clown perform.
当孩子们观看小丑表演时，房间里充满了稚嫩的咯咯笑声。
Her constant need for attention was seen as an infantile trait by her colleagues.
她对关注的不断需求被同事们视为一种幼稚的特征。
The infantile belief in superheroes often fades as children grow older.
对超级英雄的幼稚信仰往往随着孩子长大而消逝。
His infantile attempts at humor made the audience cringe rather than laugh.
他那幼稚的幽默尝试让观众感到尴尬而不是发笑。
The infantile stage of language development is characterized by babbling and simple word formation.
语言发展的婴儿期以牙牙学语和简单词语的形成为特点。
Some critics argue that reality TV promotes an infantile mindset in its viewers.
一些评论家认为，真人秀节目在其观众中促进了一种幼稚的心态。
The infantile drawing with歪歪扭扭的线条 showed the artist's early creativity.
那幅线条歪歪扭扭的幼儿画展现了艺术家早期的创造力。
It's important not to confuse an individual's naive enthusiasm with infantile behavior.
重要的是不要将个人的天真热忱与幼稚行为混淆。
The toy company's new line is designed to stimulate the cognitive development of infants, focusing on their infantile curiosity.
这家玩具公司新推出的产品系列旨在激发婴儿的认知发展，特别针对他们的好奇心。