mass extinction

基本解释

This marks precisely—to within a few thousand years—the point of mass extinction on the land.
这明确标志着正是在这几千年中，发生了陆地上的大规模灭绝。
None of it lines up to say a mass extinction and there is very little evidence to say humans drove the extinction.
没有一个数据指出曾有一次大规模的灭绝，而且很少有证据说是人类导致它们的灭绝。
A new study shows the apparent mass extinction was due instead to a combination of climate change, habitat loss as well as human impact.
一项新的研究表明，动物的大规模灭绝是由气候变化、栖息地的丧失以及人类的影响共同造成的结果。

One of the puzzles of mass extinction is why, at certain junctures, the resourcefulness of life seems to falter.
NEWYORKER: The Sixth Extinction?
But, for those of a nervous disposition, the tying of an ancient greenhouse warming to an ancient mass extinction might suggest lessons for the future.
ECONOMIST: A geological burp may have led to the dinosaurs’ domination
ABSTRACT:A REPORTER AT LARGE about the sixth mass extinction.
NEWYORKER: The Sixth Extinction?

the death of many animals, plants, and possibly humans, especially as a result of climate change (= changes in the world's weather caused especially by increasing levels of carbon dioxide in the atmosphere)

大绝灭
The calcified microbe found in the microlialites provides important material for study of ancient biotic community on the top of the reefs and the conditions of the ancient marine environment after mass extinction.
微生物岩中菌藻类化石的发现为了解大绝灭后礁顶上残存下来的古生物群落的组成及当时的古海洋环境提供了重要的化石材料。
集群绝灭
集群灭绝