pubertas

例句：

1. 1. The young couple is experiencing their first puberty together.
   这对年轻夫妇正在经历他们的第一次青春期。
2. 2. The girl's puberty was delayed due to her genetic condition.
   由于她的遗传条件，这个女孩的青春期被推迟了。
3. 3.Puberty is a time of significant physical and emotional changes for many teenagers.
   青春期是许多青少年在身体和情感上发生重大变化的时期。