1. 十几岁的;青少年的
Teenage children are aged between thirteen and nineteen years old.

2. 面向十几岁青少年的;由十几岁青少年完成的
Teenage is used to describe things such as films, magazines, bands, or activities that are aimed at or are done by teenage children.

1. being of the age 13 through 19

e.g. teenage mothers
the teen years

Synonym: adolescentteenteenaged