These drugs inhibit testosterone from converting into dht .

这些药物阻止睾丸素转化为dht。

Guys build muscles faster because they have testosterone .

男人们能够更快地练出肌肉得益于他们拥有睾丸素。

But testosterone is principally about dominance and hierarchy .

但是睾丸激素主要跟控制力和等级制度有关。

I kind of equate that with testosterone .

我觉得这跟睾丸激素多少有关。

Testosterone levels decline normally as you age .

睾丸素水平随着你的年龄正常下降。