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 Earth. I'm David Biello. Your minute begins now.

点击显示原文

隐藏原文=

The oceans are turning acidic.

点击显示原文

隐藏原文=

Surface waters absorb carbon dioxide produced by the burning of fossil fuels.

点击显示原文

隐藏原文=

And those CO2 molecules react with the seawater to make carbonic acid.

点击显示原文

隐藏原文=

Voilà,a more acidic ocean.

点击显示原文

隐藏原文=

That's big trouble for tiny plants and animals in the sea that make shells.

点击显示原文

隐藏原文=

Because acidic water makes it harder to produce those shells.

点击显示原文

隐藏原文=

And once the shells do form, the acidic water also corrodes the shells.

点击显示原文

隐藏原文=

Many marine biologists have thus been anxious that climate change may mean an end to coral reefs.

点击显示原文

隐藏原文=

But a set of experiments undertaken in Hawaii, Moorea and Okinawa give new hope, at least in the Pacific.

点击显示原文

隐藏原文=

Four common corals and algae were subjected to conditions that mimic oceans if CO2 concentrations in the atmosphere reached 1000 ppm, more than double the levels today.

点击显示原文

隐藏原文=

And three out of the four could still easily form their hard calcium shells even in such an acid ocean.

点击显示原文

隐藏原文=

That doesn't mean ocean acidification won't be bad for corals and algae.

点击显示原文

隐藏原文=

But it does mean that across the Pacific some of these organisms can tough it out.

点击显示原文

隐藏原文=

Whether other organisms, including us humans, could thrive in such a 1000 ppm CO2 world is whole another question.

点击显示原文

隐藏原文=

Your minute is up, for Scientific American 60-Second Earth. I'm David Biello.

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

+ 创建收藏夹
保存 取消