I only got your word for it I was mating with a pine tree.

你说我那松树泄欲只是你的一面之词。

When you see a sand tiger shark swimming around the wreck, it's because it's mating with other sharks or it's looking for food near that wreck.

当你看到一条沙虎鲨在残骸周围游动时，这是因为它正在与其他鲨鱼交配，或者它在残骸附近寻找食物。

We could look at certain parts of the bat genome, and they were telling us that some groups of bats were mating with each other and others were more isolated.

我们可以查看蝙蝠基因组的某些部分，它们告诉我们， 一些蝙蝠群体正在相互交配， 而另一些则更加孤立。

Yet -- (Laughter) when we looked more closely, we saw, in the northern part of Peru, a network of valley systems that was not quite too tall for the bats on either side to be mating with each other.

然而——（笑声）当我们更仔细地观察时，我们看到，在秘鲁北部，有一个山谷系统网络， 它并不太高， 两侧的蝙蝠无法相互交配。