句间停顿:
  • 1S
  • 3S
  • 5S
语速: x 1.0
  • 速度0.8X
  • 速度1.0X
  • 速度1.2X
  • 速度1.5X
  • 速度1.8X
  • 速度2X
始终显示原文
欢迎使用 KMF 精听精研
坚持练习精听,反复听、吃透每个句子,能够快速 提升听力能力
开始精听
或按 「 空格」开始播放

段落1

NARRATOR

Now listen to part of a lecture on the topic you just read about.

点击显示原文

隐藏原文=

段落2

FEMALE PROFESSOR

The hypothesis that the edmontosaur migrated every winter is not convincing.

点击显示原文

隐藏原文=

段落3

First, the edmontosaur did not have to migrate to find food.

点击显示原文

隐藏原文=

One hundred million years ago, the summer temperatures in the North Slope area were warmer than they are today.

点击显示原文

隐藏原文=

And remember, in arctic regions like the North Slope, the Sun shines twenty four hours a day at the peak of the summer.

点击显示原文

隐藏原文=

The warm temperatures and extensive daylight created incredibly good growing conditions for plants.

点击显示原文

隐藏原文=

So much vegetation was produced during the summer that when the vegetation died as the winter came, there was a lot of nutritious dead vegetation around in the winter.

点击显示原文

隐藏原文=

The edmontosaur could have easily lived on the dead plant matter during the winter.

点击显示原文

隐藏原文=

段落4

Second, just because edmontosaurs lived in herds doesn’t mean they migrated.

点击显示原文

隐藏原文=

Animals live in herds for many other reasons. Living in herds, for example, provides animals with extra protection from predators.

点击显示原文

隐藏原文=

Having extra protection is useful even for the animals that live in the same area the whole year round.

点击显示原文

隐藏原文=

A modern example of this is the Roosevelt elk, a large plant eater.

点击显示原文

隐藏原文=

Roosevelt elk live in the forests of the western United States.

点击显示原文

隐藏原文=

They live in herds but they do not migrate.

点击显示原文

隐藏原文=

段落5

Third, although adult edmontosaurs were capable of migrating long distances, what about edmontosaurs that were not yet adults?

点击显示原文

隐藏原文=

Juvenile edmontosaurs were not physically capable of traveling the great distances required to reach warmer territories and would have slowed the herd so much that the herd never would have made it to its destination.

点击显示原文

隐藏原文=

The herd could not have left the juveniles behind, because the juveniles would not have survived on their own.

点击显示原文

隐藏原文=

So the whole herd had to stay where they were and survive on the cold North Slope.

点击显示原文

隐藏原文=
[ < 空格 > ]
当前句 /
/
  • 段落1
  • 第 1 句
  • 段落2
  • 第 2 句
  • 段落3
  • 第 3 句
  • 第 4 句
  • 第 5 句
  • 第 6 句
  • 第 7 句
  • 第 8 句
  • 段落4
  • 第 9 句
  • 第 10 句
  • 第 11 句
  • 第 12 句
  • 第 13 句
  • 第 14 句
  • 段落5
  • 第 15 句
  • 第 16 句
  • 第 17 句
  • 第 18 句

+ 创建收藏夹
保存 取消