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1·There is only one explanation for that at the molecular level, which is a common ancestor.

对分子水平只有一种解释，那就是共同的祖先。

2·The common detailed design found among the pinnipeds probably indicates a common ancestor.

在鳍足类动物中发现的共同的细节设计，这可能说明了它们有一个共同的祖先。

3·The common ancestor is, however, too recent for the new species to be a remnant of the first human excursion from Africa.

然而，共同的祖先对于新物种又太现代，而不能作为来自非洲的人类首次远足的遗迹。

4·It suggested that all living things were related, from the beetle to the lotus, and that everything descended ultimately from a single common ancestor.

它表明所有的生物都是相关的，从甲虫到莲花，所有的生物都是由一个共同的祖先进化而来。

5·There are two main groups of bats, which are believed to have evolved independently of each other, but both from a common ancestor.

蝙蝠主要有两大类，人们认为它们是各自独立进化的，但都来自同一个祖先。

6·Beyond: The Last Common ancestor.

超越：最后的共同祖先。

7·Our common ancestor was King John.

我们共同的祖先是约翰王。

8·Across Workspaces from a common ancestor.

从一个公共的源在不同的工作区之间。

9·Also, every pair of artifacts must have a common ancestor.

同样，每一对的工件必须有共同的起始。

10·According to most scientists, all life on Earth has a common ancestor.

很多科学家认为地球上的一切生命都拥有相同的祖先。