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

This is Scientific American 60-Second Science. I'm Clara Moskowitz. Got a minute?

点击显示原文

隐藏原文=

As is well known, geckos sell car insurance.

点击显示原文

隐藏原文=

But they're also famous for their extremely adhesive feet, which can keep them stuck to walls and even ceilings.

点击显示原文

隐藏原文=

Archimedes wondered how they do it.

点击显示原文

隐藏原文=

Geckos can also easily loosen their grip and break into a dash, which has flummoxed physicists.

点击显示原文

隐藏原文=

But scientific stick-to-itiveness finally found the on-off switch.

点击显示原文

隐藏原文=

Geckos' toes are covered in thousands of tiny hairs called setae.

点击显示原文

隐藏原文=

These setae can bend to make contact with all the grooves and crevices in a surface.

点击显示原文

隐藏原文=

To adhere, the setae rely on small electromagnetic attractions between molecules called van der Waals forces.

点击显示原文

隐藏原文=

Researchers created mathematical models that revealed that the default mode for gecko feet is non-sticky.

点击显示原文

隐藏原文=

To activate the grip, the lizards extend and angle their setae to create millions of contact points with a surface.

点击显示原文

隐藏原文=

The research is in the Journal of Applied Physics.

点击显示原文

隐藏原文=

Scientists would love to create synthetic adhesives based on the gecko trick.

点击显示原文

隐藏原文=

Perhaps by harnessing the power of setae, robots could climb walls, and stick or unstick without expending much energy, just as the gecko does.

点击显示原文

隐藏原文=

Thanks for the minute, for Scientific American 60-Second Science. I'm Clara Moskowitz.

点击显示原文

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

+ 创建收藏夹
保存 取消