这些快速进化的阶段被相对较长的静态跨度分隔开来,在此期间,一个物种几乎不会发生任何变化。
These episodes of rapid evolution are separated by relatively long static spans during which a species may hardly change at all.
以前,大陆之间的鸿沟允许水自由流动;而现在地峡形成了一道屏障,把大西洋和太平洋分隔开来。
While previously the gap between the continents had allowed a free flow of water, now the isthmus presented a barrier that divided the Atlantic Ocean from the Pacific Ocean.
这个变化使当地的昆虫被分隔开来,现在分居于河的两岸,彼此的基因流动已被完全截断。
The change separated populations of insects now living along opposite shore, completely cutting off gene flow between them.
But to find a common denominator where we can all talk, where we don't find ourselves divided by religion or culture anymore, because we've got down something so essential.
我们所找的共通之处可以使我们彼此交流,让我们发现我们,不再被宗教与文化分隔开来,因为我们已经获得了最本质的东西。
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