1·Most invertebrate species disappeared during a wave of extinctions.
大多数无脊椎动物在一次（物种）灭绝浪潮中消失了。
2·Why did scientists want more information about the dinosaur extinctions?
为什么科学家们想要了解更多关于恐龙灭绝的信息？
3·Some hypotheses fail to account for simultaneous extinctions on land and in the seas.
有些假说不能解释同时发生在陆地和海洋的灭绝。
4·The rates of extinction happening today are as great as the rates during these mass extinctions.
现今物种灭绝发生的速度和这些大规模灭绝的速度一样快。
5·Cases in which many species become extinct within a geologically short interval of time are called mass extinctions.
许多物种在地质上很短的时间间隔内灭绝的情况称为大灭绝。
1·He cited stronger typhoons, worsening droughts, resurgence of diseases and extinctions of species as among the alarming impacts of global warming.
他引证了更强的台风、更严峻的干旱、疾病的再现和物种的消失作为全球变暖过程的警告。
2·Most people agree that we're probably going to see extinctions of some species and that the composition of coral communities is going to change.
很多人都认同，我们正在看着一些物种在逐步消失；珊瑚虫群体也正在发上变化。