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's 60-Second Space. I'm John Matson. Got a minute?

点击显示原文

隐藏原文=

Watch for falling rocks.

点击显示原文

隐藏原文=

Those are words to keep in mind when you're driving a mountain road.

点击显示原文

隐藏原文=

Or, it seems, when you're cruising past a white dwarf star.

点击显示原文

隐藏原文=

White dwarfs are small, dense remnants of normal stars that have expended their fuel.

点击显示原文

隐藏原文=

Now researchers have identified rocky, asteroid-like material raining down on two white dwarfs.

点击显示原文

隐藏原文=

The rocky material is akin to the building blocks of planets,

点击显示原文

隐藏原文=

and its presence suggests that the two stars formed planetary systems before they expired and became white dwarfs.

点击显示原文

隐藏原文=

That's the conclusion of a study in the Monthly Notices of the Royal Astronomical Society.

点击显示原文

隐藏原文=

Astronomers identified the silicon-rich rocky material by training the Hubble Space Telescope on the nearby Hyades star cluster.

点击显示原文

隐藏原文=

Finding rocky material means the stars once had the raw ingredients to make exoplanets,

点击显示原文

隐藏原文=

although almost no known planets orbit stars inside of clusters.

点击显示原文

隐藏原文=

The discovery of planetary material thus raises more questions.

点击显示原文

隐藏原文=

Are star clusters indeed inhospitable to planets?

点击显示原文

隐藏原文=

Or are planets around stars in clusters for some reason just harder to spot?

点击显示原文

隐藏原文=

In the Hyades cluster, at least, it looks like there may be planets that have so far escaped our notice.

点击显示原文

隐藏原文=

Thanks for the minute, for Scientific American's 60-Second Space. I'm John Matson.

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
  • 第 16 句
  • 第 17 句

+ 创建收藏夹
保存 取消