adult [ˈædʌlt]

以下由轻松背单词网站提供

adj.成年的，成熟的；n.成年人

a person or animal that has grown to full size and strength

Children and adult should have equal rights. 儿童和成年人应该享有平等的权利。
He'd spent all his adult life in the army. 他的成年生活全是在军队里度过的。