Is just a chemical reaction that compels animals to breed.

不过是动物繁衍后代化学反应罢了。

The earlier generation, by blazing the trail, made it easier for those behind them.

早期一代女领导是开路，后代女性走得更容易。

When an animal leaves more offspring, its genes will spread.

当动物繁殖出更多后代时， 就意味着它们基因得到传播。

I'm descended from the third brother!

我是那第三个兄弟后代！

If a genetically modified person produces offspring.

如果一个转基因人生产后代。

Trilobites have no direct descendants, but their evolutionary cousins are alive and well.

三叶虫没有直系后代，但它们在演化上表亲现在仍然活得很好。

But in hurricane-free areas, docile colonies had more babies.

但在没有遭遇飓风袭击地区，温和蜘蛛群繁衍后代数量更多。

My Ministers remain committed to protecting and improving the environment for future generations.

大臣们仍然会致力于为子孙后代保护和改善环。

That is what we owe our forebearers, one another, and generations to follow.

这是我们欠我们祖、我们彼此和我们后代。

Together we can achieve a sustainable future for generations to come.

我们一起为子孙后代实现可持续未来。

Getting enough calories, staying safe and warm, or caring for offspring was practically impossible alone.

取得足够热量、在温暖又安全地方待着、照料着后代，这些都不可能独自完成。

They could easily be Slytherin's descendants.

他们很可能是斯莱特林后代。

Nature is tricking us into procreating, and the loving fusion we seek is consummated in our children.

我们本性在 诱使着我们繁衍后代，我们所寻找爱融合 结生出我们儿女。

It is the child of a donkey and a horse.

它是驴和马后代。

And many primates are frequently seen doing this as well.

许多灵长类动物也常被发现以此喂养后代。

Any offspring of these modified mice would inherit Lyme disease immunity.

它们所有后代将对莱姆病菌免疫。

They wanted to pass on to their descendants this kind of education.

他们想把这种教育传给子孙后代。

With the help of this technology to continue the fight for future generations.

他们会在无人机帮助下，继续为子孙后代战斗。

All animal species survive by making babies - reproducing to make copies of themselves.

所有动物物种都通过产生后代来存活下来 —— 产生它们复制品来繁殖。

People have been doing this forever, and it's this shared experience that everyone has.

繁衍后代是人类诞生以来就在做事情，这种共享经验是每个人都有。