adolescence
noun [ U ] uk/ˌæd.əˈles.əns/ us/ˌæd.əˈles.əns/
青春期;青春
the period of time in a person's life when they are developing into an adult
She had a troubled adolescence. 她经历了坎坷的青春。
yet another novel about the joys and sorrows of adolescence 又一部描述青春期孩子欢乐与忧伤的小说