age-appropriate
adjective uk/ˌeɪdʒ.əˈprəʊ.pri.ət/ us/ˌeɪdʒ.əˈproʊ.pri.ət/
适合某个年龄段的
suitable or right for people of a particular age
age-appropriate clothing 适合某个年龄段的服装
Is this movie age-appropriate for my child? 这个电影适合我孩子的年龄段吗？
年龄合适的，年龄相称的
of a suitable age
The actors all look age-appropriate for their characters. 所有的演员看起来都跟他们饰演的角色年龄相称。