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 Sophie Bushwick.Got a minute?

点击显示原文

隐藏原文=

In the east African savanna, pools of water form during the rainy season only to dry up a few months later.

点击显示原文

隐藏原文=

Being a fish in one of these temporary ponds is a challenge.

点击显示原文

隐藏原文=

To survive, they race to maturity, with the shortest generation time of any vertebrate.

点击显示原文

隐藏原文=

To monitor the development of the so-called annual fish, researchers raised two different species in the lab.

点击显示原文

隐藏原文=

The fish could grow by almost a quarter of their body length each day.

点击显示原文

隐藏原文=

One species could already reproduce at 17 days of age.

点击显示原文

隐藏原文=

The other took an additional day.

点击显示原文

隐藏原文=

The eggs these youngsters fertilized then hatched in as little as 15 days, leaving only a month between generations.

点击显示原文

隐藏原文=

The study is in the journal EvoDevo.

点击显示原文

隐藏原文=

Embryonic annual fish survive the dry season by lying dormant underground.

点击显示原文

隐藏原文=

Once the rains return and the pool forms, they quickly reproduce before the water dries up again.

点击显示原文

隐藏原文=

Their short generation time is thus a crucial evolutionary adaptation.

点击显示原文

隐藏原文=

Their temporary ponds force them to live fast, die young and leave a desiccated corpse.

点击显示原文

隐藏原文=

Thanks for the minute, for Scientific American 60-Second Science. I'm Sophie Bushwick.

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