Related topics: Illness & disability
in·fan·tile /ˈɪnfəntaɪl/ adjectiveadj 1 STUPID/NOT SENSIBLEinfantile behaviour seems silly in an adult because it is typical of a child 幼稚的，孩子气的 SYN childish 2 [only before noun] technicalMICHILD relating to or affecting babies and very young children 婴儿的；幼儿的 infantile development 婴幼儿的发育