OK, so those are the effects of just one plant hormone.

以上是一种植物激素的作用。

Let's start with ethylene — the only plant hormone that's a gas.

让我们从乙烯开始——唯一一种植物激素是气体。

We'll explore five major types of plant hormones, but beyond that, botanical researchers are still routinely discovering new ones.

我们将探索五种主要类型的植物激素，但除此之外，植物研究人员仍在定期发现新的激素。

But just like your hormones affect your mood, your armpit hair, and so much more, plant hormones affect a whole range of things throughout plants' lives.

但就像你的荷尔蒙会影响你的情绪、腋毛等等一样，植物荷尔蒙也会影响植物一生中的一系列事情。