How come humans speak so many languages?

人类是怎么能说这么多语言的？

There are no humans in that factory.

那个工厂里没有人。

Human flow has always happens in human history.

人口流动是人类史上经常发生的事。

Ice bear has never seen a smaller human.

白熊从来没见过个子这么小的人类。

And these are little humans and they need our help.

这些都是弱势群体，他们需要我们的帮助。

And you can see how you have a few humans interacting with bots.

你可以看到你有几个人和机器人互动。

Mosquitoes that bite them and also bite humans can spread it.

蚊虫也有这些疾病，叮咬人类并将其传播。

That includes the humans who have called the area home.

其中包括称该地区为家的人类。

By 2050, superbugs could kill more humans a year than cancer.

2050 前，因为超级细菌死亡的人数可能会比癌症导致的还要多。

No. You mean you have no other humans to help you.

不 你的意思是没有其他人类可以帮你。

Ready to chase some humans in the marathon next week, mijo?

殭屍就应该要吃专属殭屍的大餐？

Ecology. I'm interested in the relationship between humans and nature.

生态。我对人与自然的关系很感兴趣。

Yet, it wasn't just humans who benefitted from these natural phenomena.

然而，并不仅仅是人类收益于这一自然现象。

He is not, in fact, even pure human.

实际上他甚至不是一个血统纯正的人。

No humans even touch them. That can create these vicious cycles, these self-reinforcing cycles.

人不去碰。这就可能产生恶性循环，而且这些循环会自我愈演愈烈。

Tests show they are 3.3 million years old, which means they predate the earliest humans.

化验表明这些工具有330万的史，这意味着比最早的人类还要早。

So the question is, can we treat humans.

那么问题就是，我们能治愈人类吗？

Some humans hunt more frequently than gray wolves.

人类的捕猎次数多于灰狼。

As of 2018, there are approximately 7.6 billion other humans you could get to know.

截至 2018 ，大约有 76 亿其他人类你可以认识。

The human immune system is quite phenomenal.

人类的免疫系统相当不可思议。