n. [生物]灭绝(extinction 的复数);消失;废除
extinction ratio消光比;消减比率
extinction coefficient消光系数
1.While there are a dozen or more mass extinctions in the geological record, the Cretaceous mass extinction has always intrigued paleontologists because it marks the end of the age of the dinosaurs.
虽然在地质记录中有十几次甚至更多的大灭绝,但白垩纪的大灭绝总是引起古生物学家的兴趣,因为它标志着恐龙时代的结束。
2.The model pinpointed exact sites where extinctions should be happening.
这个模型指出了蜥蜴可能发生灭绝的准确地点。
3.Compared with nearly all the previous extinctions this would be fast-track.
与之前的五次相比,这次物种灭绝可谓神速。
4.It seems to me inevitable that they're going to be many extinctions.
他说,“在我看来,许多植物将不可避免地走上灭绝之路。”
5.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?
6.There's compelling evidence that global warming will be a significant driver of many plant and animal extinctions in this century.
有令人信服的证据表明,全球变暖将是本世纪许多动植物灭绝的一个重要原因。
7.Surprisingly few extinctions of indigenous species can be attributed to competition from introduced species.
令人惊讶的是,本土物种的灭绝很少归因于外来物种的竞争。
8.The paucity of known extinctions or disruptions resulting from indirect interactions may reflect not the infrequency of such mishaps but rather the failure to look for or to detect them.
间接相互作用导致的已知物种灭绝或破坏的情况的稀少,反映的或许不是这种灾难的罕见,而是没有去寻找或检测它们。
9.Still, Krech attributes secondary if not primary responsibility for the extinctions to the Paleoindians, arguing that humans have produced local extinctions elsewhere.
克雷奇仍然认为古印度安人在灭绝上的责任即使不是主要的,也是次要的,他认为人类在其他地方造成了当地物种灭绝。