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1·As Permian life-forms declined, they reached a fatal threshold and species succumbed to mass extinction.

随着二叠纪生命形式的衰退，它们达到了一个致命的临界点，物种最终走向了大灭绝。

2·The Permian event has attracted much less attention than other mass extinctions because mostly unfamiliar species perished at that time.

二叠纪大灭绝事件比其他大灭绝事件受到的关注要少得多，因为那时灭绝的大多是我们不熟悉的物种。

3·Paul Wignall and others have found sites where marine fossil deposits reached a peak of diversity at the very end of the Permian period.

保罗·维格纳尔和其他人发现了在二叠纪末期海洋化石沉积达到多样性高峰的地点。

4·Glaciation, Young claims, has occurred throughout Earth's history, and there is evidence that it occurred toward the end off the Permian period.

杨说，冰川作用在地球的整个发展历史中都有发生，有证据表明它发生在二叠纪末期。

5·The granite of the Suhler Scholle is capped with Permian sediments and igneous deposits.

苏勒·肖勒花岗岩上覆盖着二叠纪沉积物和火成岩。

6·This was the end of the Permian period, and of the era of life called the Paleozoic.

这就是二叠纪以及整个古生代的终结。

7·First, that there was not one mass extinction at the end of the Permian, but several.

第一，在二叠纪结束的时候并不是一个大规模灭绝，而是好几个。

8·The die-off was surpassed only by the gargantuan Permian extinction 250 million years ago.

只有2亿5000万年前史上空前的二叠纪大灭绝盖过这次灭绝。

9·Recent evidence suggests, however, that the end-Permian may have been long in the making.

但是，最近的证据显示，这次大灭绝的形成时间很长。

10·Most rock sequences that straddle the end of the Permian are either incomplete or hard to date.

二叠纪末期大部分岩石记录要么残缺不全，要么难以断代。