这个图书馆为青少年提供了很多有趣的书籍。

The library offers many interesting books for ___teenagers.

这些青少年正在学习如何管理自己的零花钱。

These ___teenagers are learning how to manage their pocket money.

青少年时期是人生中充满变化和探索的阶段。

The ___teenager years are a time of great change and exploration in life.