The female Lun Lun, went into estrus, sexually mature, she was now ready to mate.

雌性大熊猫伦伦，进入发情期，已经性成熟，她现做好了准备可以交配。

And it could stimulate what's called estrus, which is where the word estrogen comes from.

它可以刺激所谓的发情期，雌激素这个词就来。

I think their argument when I looked at it, I think it upregulates AMPK, which is supposed to be mimicking estrus.

我认他们的论，它会上调AMPK， 这被认模仿发情期。

Because with estrus, the final signaling to get the lining of the uterus ready actually comes from the embryo.

因发情期时，最终促使子宫内膜准备好的信号实际上来自胚胎。

Well, usually, the ovary is thought of as an unfortunate complication because in all mammals, there's an estrus cycle.

通常，卵巢被认一种不幸的并发症，因所有哺乳动物都有发情周期。

So in this case, it's estrus cycle, it's hunger, it's stress, there's many other that you can think of.

这种情况下，发情周期，饥饿，压力，还有许多其他因素你可以想到。

But estrus is like when an animal is in heat.

但发情期指动物发情的时候。

And that word estrogen in 1906 comes from that word estrus, which is from the Greek word oistrus, which means mad desire.

1906年， “雌激素” 这个词来源于“发情期”这个词，“发情期” 源自希腊语oistrus，意思狂热的欲望。