After the islands separated, the isolated lizard populations would have become distinct species while also retaining their ancestors' niche adaptations.
岛屿分离后,孤立的蜥蜴种群将成为独特的物种,同时也保留了它们祖先的生态适应能力。
Last but not least, city-residents are not only separated from nature but also isolated from each other, even not knowing the name of their next-door neighbour.
最后但同样重要的,城市居民不仅与自然隔绝,而且彼此隔绝,他们甚至不知道隔壁邻居的名字。
They also separated out the DNA from the bacteria and analyzed its composition using a technique called high-resolution secondary ion mass spectrometry; the isolated DNA contained arsenic.
然后他们从细菌中提取出dna,利用高解析二次离子质谱技术分析了其中的化学组成,发现DNA中也含有砷。
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