• Airborne soot and dirt from the impact blanketed Earth, inhibiting photosynthesis and triggering mass extinction of species.

    撞击产生烟尘灰尘覆盖了地球抑制了光合作用引发了物种大规模灭绝

    youdao

  • This break in Earth's history is marked by a mass extinction, when as many as half the species on the planet became extinct.

    地球历史上的这次重大灾难以物种大量消亡标志;当时地球多达一半物种都灭绝了。

    youdao

  • Following each mass extinction, there is a sudden evolutionary burst as new species develop to fill the ecological niches opened by the event.

    物种大灭绝后,都一次突然进化爆发因为会有物种出现填补灭绝创造生态

    youdao

  • 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.

    虽然地质记录十几甚至更多灭绝,但白垩纪的大灭绝总是引起古生物学家兴趣,因为标志着恐龙时代结束

    youdao

  • Each mass extinction may have had a different cause.

    每一次大灭绝可能不同的原因。

    youdao

  • This is the story of wildlife conservation in the age of mass extinction.

    是个关于大规模物种灭绝时代保护野生动物的故事。

    youdao

  • The mass extinction would have occurred very suddenly under this hypothesis.

    这种假设,大灭绝发生非常突然的。

    youdao

  • Many scientists have therefore concluded that a sixth great mass extinction is currently in progress.

    因此许多科学家得出结论,第六次大规模物种灭绝正在发生。

    youdao

  • If you think about it though, the core problem with this sixth mass extinction is human interference.

    如果仔细想想第六次灭绝核心问题人类干扰

    youdao

  • 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临界点物种最终走向了大灭绝。

    youdao

  • Scientists have linked the mass extinction at the end of the Cretaceous with a meteorite impact on Earth.

    科学家白垩纪末期灭绝地球陨石撞击联系起来。

    youdao

  • Evidence points to hunting by humans and habitat destruction as the likely causes for the current mass extinction.

    有证据表明,人类捕猎栖息地破坏可能是导致当前物种大量灭绝的原因。

    youdao

  • Presumably, those environmental disasters could have been responsible for the mass extinction, including the death of the dinosaurs.

    据推测这些环境灾难可能物种大规模灭绝成因,包括恐龙的灭绝。

    youdao

  • Roughly 250 million years ago, in the worst series of mass extinction in Earth's history, almost all species of life simply vanished.

    大约2.5亿年前地球历史上严重一系列灭绝几乎所有生命物种都消失了。

    youdao

  • Today we are witnessing a sixth mass extinction, but unlike the others, the current loss of bio-diversity can be traced to human activity.

    今天我们正在见证第六次物种大灭绝,其它几次不同是,目前生物多样性丧失可以追溯到人类活动。

    youdao

  • Various theories seek to explain this mass extinction.

    对于这次大灭绝,有很多种解释

    youdao

  • But the Mesozoic, too, began with a mass extinction.

    中生代本身便是一次灭绝开始的。

    youdao

  • Before the mass extinction, the top ocean predators were primitive sharks.

    大规模灭绝之前,高等海洋肉食生物远古的鲨鱼。

    youdao

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

    第一二叠纪结束时候不是一个大规模灭绝而是好几个。

    youdao

  • This marks precisely—to within a few thousand yearsthe point of mass extinction on the land.

    明确标志着正是几千年中,发生陆地上大规模灭绝

    youdao

  • Yet the mass extinction, however remote, that should be concentrating minds is that of mankind.

    然而鱼类大规模灭绝无论如何遥远,也应该人类集中精神所要考虑一件事。

    youdao

  • The mass extinction event killed off the dinosaurs and many other animal and plant species.

    中找到元素岩层,而这通常会被发现于小行星中。 这次灭绝事件杀光了恐龙以及许多其他动植物物种。

    youdao

  • Of course, humanity is currently setting off the sixth mass extinction event in Earth's history.

    当然人类正在引发地球历史上第6物种大灭绝。

    youdao

  • Permian-Triassic The worst mass extinction took place 250m years ago, killing 95% of all species.

    二叠纪-三叠纪严重灭绝发生在两亿五千万以前杀死了所有物种的95%。

    youdao

  • The Triassic period ended 210m years ago with another mass extinction of land animals and sea creatures.

    1亿年前三叠纪(the Triassic period)结束,此时又出现陆地海洋生物灭绝

    youdao

  • In this movie, a comet miles across is headed toward Earth, sure to cause a mass extinction if it hits.

    这部影片里,颗直径几英里的彗星直奔地球,一旦撞上,就会是天崩地裂的大灾难。

    youdao

  • None of it lines up to say a mass extinction and there is very little evidence to say humans drove the extinction.

    没有个数据指出一次大规模灭绝而且很少证据说是人类导致它们的灭绝。

    youdao

  • Earth is experiencing its sixth mass extinction event, species winking out of existence before we even know them.

    地球正在经历他的第六次大灭绝事件许多物种甚至我们认知之前就飞速地消逝了。

    youdao

  • Earth is experiencing its sixth mass extinction event, species winking out of existence before we even know them.

    地球正在经历他的第六次大灭绝事件许多物种甚至我们认知之前就飞速地消逝了。

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定