Is just a chemical reaction that compels animals to breed.

不过是让动繁衍后代的化学反应罢了。

For years, palaeontologists have wondered if the same was true of plesiosaurs.

数年来，学家一直想知道蛇颈龙是否也通过怀胎方式繁殖后代。

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

当动繁殖出更多后代时， 就意味着它们的基因得到传播。

May the beauty which you pass on to generations still to come be such that it will stir them to wonder!

愿你传承给后代的美仍然会让他们惊叹不已。

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

早期的一代女领导是开路先锋，让后代女性走得更容易。

If a genetically modified person produces offspring.

如果一个转基因的人产后代。

We, as a new generation in China, should shoulder the responsibility of protecting and rejuvenating them so that our offspring can enjoy and learn them in the long future.

我们作为新一代的中国人，应该肩负起保护，振兴他们的责任，只有这样，我们的后代才能学习，了解。

The first ancestor that came to Changting is revered as a god by later generations.

最早迁徙至长汀的祖先，被后代奉为神明。

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

但在没有遭遇飓风袭击的地区，温和蜘蛛群繁衍的后代数量更多。

However many generations succeed us in coming centuries, none of them will ever see this species that we extinguish.

在未来多少个世纪里，我们有多少后代，他们谁也看不到这种我们亲手灭绝的种。

I'm descended from the third brother!

我是那第三个兄弟的后代！

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境。

More and more working people are feeling anxious over whether they and their children and grandchildren will have the skills and the opportunities to get on.

如今，越来越多的普通劳动者都在深感焦虑，他们为自己、也为自己的子孙后代而忧心忡忡，不知未来能否拥有，维持计的技能和机遇。

In his last letter to Theo, Vincent wrote of how, not managing to have children, his paintings were his progeny.

梵高在最后一封写给提奥的信中写道，他自己并不想要孩子，他的作品就是他的后代。

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

这是我们欠我们的祖先、我们彼此和我们后代的。

People who have had the courage to change their societies in India, in South Africa, in the United States, inspire each other and create rights for future generations.

是在印度、南非，还是美国，那些有勇气去改变社会的人，都鼓舞了其他人，并为后代争取了权利。

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的未来。

They could easily be Slytherin's descendants.

他们很可能是斯莱特林的后代。

Some amazing documentary films list the wonders of nature, so that more and more people realize the importance of working to protect these wonders for future generations.

一些优秀的纪录片中拍出了自然奇景，让越来越多的人意识到为子孙后代保护这些奇景的重要性。

Island foxes are descendants of mainland gray foxes, but have grown smaller over thousands of years to adapt to the limited resources of their island homes.

岛屿灰狐是大陆灰狐的后代，但在数千年的时间里，为适应岛上有限的资源，它长得越来越小。