hormones

例句：

1. 1. Hormones play a crucial role in regulating our body's metabolism and growth.
   激素在调节我们身体新陈代谢和生长方面起着至关重要的作用。
2. 2.Hormones can affect our mood and behavior, even when we are not aware of it.
   激素可以影响我们的情绪和行为，即使我们没有意识到。
3. 3. Hormones are essential for the proper functioning of the endocrine system.
   激素对于内分泌系统的正常运作至关重要。