infantile

adj

1. indicating a lack of maturity

e.g. childish tantrums
infantile behavior

Synonym: childish

2. being or befitting or characteristic of an infant

e.g. infantile games

3. of or relating to infants or infancy

e.g. infantile paralysis

1. 婴儿(期)的;幼儿(期)的
Infantile behaviour or illnesses are typical of very young children.

e.g. ...infantile aggression.
婴儿期的攻击行为
e.g. ...children with infantile eczema.
患婴儿湿疹的儿童

2. 幼稚的;孩子气的
If you accuse someone or something of being infantile, you think that they are foolish and childish.

e.g. This kind of humour is infantile and boring.
这种幽默既幼稚又无聊。

1. 幼稚的;孩子气的：Innig [德]内在的;深切的 | Infantile 幼稚的;孩子气的 | Irato 发怒地

2. infantile

2. 婴儿的,幼儿的：infant feeding tube 婴儿鼻饲管 | infantile 婴儿的,幼儿的 | infant incubator 婴儿保温箱

3. 幼年的：infancy 幼年 | infantile 幼年的 | inferred reserves 推算储量

4. infantile的意思

4. 幼稚的：infanticulture 育儿法 | infantile 幼稚的 | infantile amentia 幼儿痴呆