Teen is used to describe things such as films, magazines, bands, or activities that are aimed at or are done by people who are in their teens.
There has been an increase in teen pregnancies.
青少年怀孕事件有所增长。
teens
If you are in your teens, you are between thirteen and nineteen years old.
Most people who smoke began smoking in their teens.
大多数吸烟的人都是在十几岁时开始吸的。