infantile

a. 婴儿的,幼稚的,初期的

Her unconscious looks wander to her husband with infantile dependency.

带著像婴儿般的依赖她不由自主地把目光投向了她的丈夫。

An adult or a young person who behaves in an infantile way.

孩子气的人行为表现出孩子气的成年人或年轻人