详细解释:n. 幼稚型, 幼稚症
【医】 幼稚型, 婴儿型
英语解释：
名词 infantilism:
an abnormal condition in which an older child or adult retains infantile characteristicsinfantile behavior in mature persons详细解释：
in.fan.til.ism
n.（名词）A state of arrested development in an adult, characterized by retention of infantile mentality, accompanied by stunted growth and sexual immaturity, and often by dwarfism.幼稚病：一种出现于成年人当中的发育停滞的状态，其特点是思维幼稚，伴有发育不良和性方面的不成熟，还有侏儒现象发生
Extreme immaturity, as in behavior or character:幼稚型：如在行为或性格上表现的特别不成熟：例句：.infantilism, which is the subtext of so much American cinema and culture.(John Simon).幼稚病是许多美国电影和文化的特征.(约翰·西蒙)
An infantile act or remark.幼稚行为：幼稚的行为或言论