Oh, I just realized what panspermia means.

噢，我好像发现胚种很污。

" We show the possibility of panspermia carried by these objects, " Zhang said.

" 我们证明了这些物体携带能够产生生命的物质（被称为" 有生源说" ）的可能性。" 张说。

The theory of panspermia states that life didn't start on Earth, but instead was brought here.

胚种声称生命的起源不在地球，在地球之外。

Many researchers consider this hypothesis, called panspermia, unlikely.

许多研究人认为这种称为生精的假设不太可能。

But a more interesting theory, and one which has more credibility, is that of panspermia.

但一个更有趣、也更可信的理是生精。

Now hold on, before you start to think that ancient aliens did it, panspermia actually refers to the transference of bacteria.

等一下，你千万别以为人类是古代时外星生命带到地球上的，因为胚种实际上是细菌转移说的引用。

But for some scientists, the panspermia hypothesis still holds promise.

但对于一些科家来说， 生精假说仍然有希望。

Although he famously entertained the panspermia model for the origin of life on Earth at a conference a decade ago, today Dr. Benner is dubious.

尽管 Benner 博士在十年前的一次会议上以提出地球生命起源的生源模型而闻名， 但今天他持怀疑态度。

But if panspermia is indeed possible, and life can be readily dispersed throughout the cosmos, it would fundamentally change how we earthlings see ourselves.

但是，如果真的有可能出现生精， 并且生命可以很容易地散布在整个宇宙中， 那将从根本上改变我们地球人看待自己的方式。

The concept of panspermia was kicked off, in part, by the humongous eruption of a volcano on the island of Krakatoa in 1883, says Dr. Melosh.

Melosh 博士说， 生精的概念在一定程度上是由 1883 年喀拉喀托岛上一座火山的巨大喷发引发的。

" Our life might have originated in Mars if panspermia is possible, " says Akihiko Yamagishi, an astrobiologist at the Tokyo University of Pharmacy and Life Sciences and the lead author of the new study.

“如果生精是可能的，我们的生命可能起源于火星，”东京药与生命科大的天体生物家、这项新研究的主要作者 Akihiko Yamagishi 说。