但从更长远的角度来看，我们可以相当肯定地说，数量多得惊人。

But take a longer view and there is a surprising amount that we can say with considerable assurance.

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由于数量相当大，这种情况的出现是肯定的。

As the numbers are quite large, this will certainly be the case.

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尽管如此，后来还是有相当数量的完全陆生动物做出改变，离开了它们辛辛苦苦重新改造的陆地，并回到了水里。

Nevertheless, a good number of thoroughgoing land animals later turned around, abandoned their hard-earned terrestrial re-tooling, and returned to the water again.

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In other cases, the virus propagates in such high numbers that release is literally an explosion of the cell.

在另一些时候,病毒的数量相当大,那么释放病毒就会使细胞的爆裂

耶鲁公开课 - 生物医学工程探索课程节选

If these 8 million people , would correspond to the number of neurons in the brain, the equivalent of the hair cells that you could get out of a single cochlea would be equivalent to one person walking down 42nd street.

如果这八百万人,相当于大脑中的神经元数量的话，能从一个耳蜗内取出的毛细胞,就好比是,第42大街上的某位行人。

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Agricultural villages will have existed all over the place in the late Stone Age, in the Neolithic Period, as it is known. But there is a difference and the critical difference is that a city contains a number of people who do not provide for their own support.

农业村庄在石器时代后期,以及新石器时代随处可见,但二者是有区别的,最重要的区别在于,城市能容纳,相当数量,无需自给自足的人口

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