Understand the origins and ubiquity of life.

了解生命的起源及普遍性。

Frantz says most purebred dog breeds trace their origins to the 1800s.

弗朗茨表示最纯种狗的起源能够追溯到18世纪。

Not unless I can verify your story's origin.

可我必须证实消息来源。

These sediments were the origins of the Sanpan Stone.

也就是三爿石的段。

No one knows the real origins of the Tooth Fairy.

牙仙的真正起源人不得而知。

For centuries many were in doubt about the spices' origins.

几个世纪以来，许多人一直对香料的起源持怀疑态度。

The first taste is as warming and floral as its sunlit origins.

第一口是温暖的花香，就像它阳光明媚的原产地一样。

Dr Laura Wright, a historical linguist from the University of Cambridge, explains its origins.

劳拉·怀特博士是剑桥大学的语言学家，她解释了这个词的来源。

Military personnel often unwittingly purchase such goods unaware of their potentially criminal origins.

军事人员经常会在可能导致犯罪毫不知情的情况下购买这些商品。

When we look out into space, we are looking into our own origins.

每当我太空时，其实就是在我的起源。

But the farther we journey from our tropical origins, the more variation we see.

但是，我离热带起点越远，我看到的变化就越多。

We asked some Londoners whether they would pay for the drink with such interesting origins.

我采访了几位伦敦市民，看他是否愿意花钱买来源、这么有趣的咖啡来喝。

While his peers debated symptoms and their origins, Galen obsessively studied anatomy.

在他的同行争辩症状及病因的同时，盖伦痴迷地研究解剖学。

This was the origin of our seven-day week.

这就产生了我今天的七天星期制度。

We also explore the origins of these expressions. Where do they come from?

我也会探寻这些表达的来源。它来自哪里？

The origins of the pandemic lay elsewhere.

而这一流行病的起源在另一个地方。

You know... your origins are fascinating, Succubus.

你的起源太引人入胜了 淫妖。

" Origins" is a report from the front lines of an exciting new field called fetal origins.

《源头》是一本关于一个令人振奋的新领域——胚胎起源论的纪实报道。

Very exciting discoveries have finally allowed scientists to reconstruct the most likely origins of cetaceans.

这项非常令人兴奋的发现终于使科学家能够重建鲸目动物最有可能的起源。

We explain how to use them in conversation. We also explore their origins and histories.

我阐释交谈中它的使用方法。我也探究它的起源与历史。