Is just a chemical reaction that compels animals to breed.

不过是让动物繁后学反应罢了。

Has the earth ceased to yield its increase?

难道地球已不再繁生息?

Also, the trait spreads only with each successive generation.

其次，性状只有在不停繁下才会传播。

Those at Woburn Abbey, in England, prospered.

那些在英格兰沃本修道院不断繁。

And they hope the cheetahs will reproduce.

希望猎豹能繁后。

It's like a gated community for vermin of every sort.

就像是个繁各种害虫封闭空间。

And when they arrive, they often thrive.

并且当它到达时，它就会繁。

These leviathans are making a journey to nesting sites they've used for generations.

这些庞然大物正在前往它世繁筑巢之地。

Not in the scheme of generation.

不在世繁计划之内。

God will help me multiply them.

上帝会帮我繁。

Yeah, they breed and they nest on the ground.

对，鸮鹦鹉在地上繁、建巢。

They have also sprayed chemicals in places where mosquitos breed.

还在蚊子繁地段喷洒学药剂。

Or is there something about the bromance that holds the key to reproductive success?

还是兄弟情谊是成功繁后关键？

Some birds find it harder to make homes in the south, too.

有些鸟类也发觉在南部地区繁更为艰难。

They come here to breed on the cliffs.

它来这里悬崖繁后。

–Awonawilona made them all out of the Fog of Increase.

都是阿沃纳微罗那用繁神雾创造出来。

That job is to preserve its owner and help him or her reproduce.

保护人类，助其繁。

But several different genera thrived on the feet.

但是在脚部却繁着其种类些细菌。

If allowed, Klaus would sire his own bloodline.

如果成功，克劳斯就可以繁自己血脉。

They've come to make the most of the brief flush of food and to produce their young.

它来寻找美食和繁后。