sexual maturation period

例句：

1. 1. The studyof sexual maturation periods is crucialfor understanding human development.
   研究性成熟期对于理解人类发展至关重要。
2. 2. Duringthe sexual maturationperiod, a person'shormone levels change significantly.
   在性成熟期，一个人的激素水平会显著变化。
3. 3.The researcher found that the sexual maturation period in humans is around14 to 16 years old.
   研究者发现，人类的性成熟期大约在14到16岁之间。