The confirmation of Mars-Earth panspermia would suggest that life, once started, could readily spread within a star system.
「火星–地球」胚种说如获证实，表示生命一旦出现，易在星系扩散。
For this reason, the most commonly discussed panspermia scenario involves the transport of microbes or their precursors from Mars to Earth.
基于由，最常受人讨论的胚种说就是：微生物或其前驱物，是从火星送到地球的。
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Oh, I just realized what panspermia means.
噢，我好像发现胚种论很污。
The theory of panspermia states that life didn't start on Earth, but instead was brought here.
胚种论声称生命的起源不在地球，在地球之外。
Now hold on, before you start to think that ancient aliens did it, panspermia actually refers to the transference of bacteria.
等，千万别以为人类是古代时外星生命带到地球上的，因为胚种论实际上是细菌转移说的引用。
But the idea that life was delivered to Earth on space rocks, which goes by the awesome name panspermia… well there's just no proof it ever happened, and it doesn't really explain the origin of life anyway.
但是，生命由太空岩石带到地球的想法，也就是人们所称的“胚种论” … … 根本没有任何证据证明它曾经发生过，而且它也不能真正解释生命的起源。
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划词翻译
详细解释
易在星系
扩散。
英语 
由，最常受人讨论的
，
千万别以为人类是古代时外星生命带到地球上的，因为
说的引用。
