植物激素

例句：

1. 1. The hormones in the plant are essential for its growth and development.
   植物中的激素对其生长和发育至关重要。
2. 2. The research on plant hormones has greatly advanced our understanding of plant physiology.
   关于植物激素的研究极大地推动了我们对植物生理学的理解。
3. 3. The plant hormones can regulate the growth and development of plants, affecting their yield and quality.
   植物激素可以调控植物的生长和发育，影响其产量和品质。