in sexually mature phase of life

例句：

1. 1.The adolescent is in the in sexually mature phase of life.
   青少年正处于性成熟的阶段。
2. 2. During puberty, children go through a period of rapid physical and emotional changes.
   青春期，孩子们经历着快速的身体和情感变化。
3. 3. The research suggests that early childhood experiences can have long-lasting effects on an individual's development.
   研究表明，早期童年经历对个体的发展有着长远的影响。