Right before the extinction events, the first proto-amphibians made it onto shore.
正是在此次灭绝之前，原始两栖动物第一次爬上了陆地。
Once, Lives on Earth are reshuffled by extinction events, but the evolution never stops.
曾经，地球上的生命因遭遇灭绝而重新洗牌，但演化从未停下脚步。
Otherwise, "one neat thing about mass extinction events is that they're often reset buttons, where you change what dominates the globe, " Conrad said.
从另一个角度看，“巧妙之处在于，大灭绝事件就像重启按钮，通过它可以改变主宰地球的物种，”Conrad 说。
Scientists warn that without an agreement to reduce so-called green house gas emissions, global temperatures will continue to rise, with the catastrophic consequences of extreme weather events, the spread of drought and disease, and the extinction of plant and animal species.
VOA: standard.2009.12.09
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