adult1/ˋædʌlt; ˈædʌlt/n [C] a fully grown person or animal 成人﹐成年人﹔成年动物
adult2adj 1 [only before noun 仅用于名词前] fully grown or developed 成年的: an adult lion 成年狮子the adult population 成年人口He lived most of his adult life in Scotland. 他成年后大部分时间都住在苏格兰。2 typical of an adult 成年人的﹔成熟的: an adult view of the world 成熟的世界观3 [only before noun 仅用于名词前] adult films, magazines etc are about sex or related to sex〔电影﹑杂志等因涉及性〕仅限于成人的