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 Cynthia Graber. Got a minute?

点击显示原文

隐藏原文=

Sepsis is a potentially deadly inflammatory blood condition caused by infections.

点击显示原文

隐藏原文=

Muppet creator Jim Henson was a famous victim.

点击显示原文

隐藏原文=

Proper treatment of sepsis can require knowing what bacteria or virus caused the infection.

点击显示原文

隐藏原文=

But the identification can take days, and by that time it's often too late.

点击显示原文

隐藏原文=

Some eight million people die of sepsis annually worldwide.

点击显示原文

隐藏原文=

Now, scientists at Harvard's Wyss Institute of Biologically Inspired Engineering have come up with a device that cleans blood, without a need to diagnose the infectious agent.

点击显示原文

隐藏原文=

What's being called the bio-spleen seems to work even for antibiotic-resistant bacteria.

点击显示原文

隐藏原文=

In the device, blood is cycled outside the patient's body and gets filtered through microfluidic channels.

点击显示原文

隐藏原文=

And the channels nanoscale-sized magnetic beads attached to an immune system protein.

点击显示原文

隐藏原文=

The protein naturally latches onto bacteria, fungi, viruses, and toxins.

点击显示原文

隐藏原文=

Then magnets pull the magnetic beads out of the blood, taking the attached pathogens and toxins along for the ride.

点击显示原文

隐藏原文=

The cleansed blood then flows back into the patient.

点击显示原文

隐藏原文=

The researchers tested the system on human blood, and then on infected rats.

点击显示原文

隐藏原文=

In the trial, 90 percent of the treated rats recovered.

点击显示原文

隐藏原文=

Only 14 percent of the controls survived.

点击显示原文

隐藏原文=

The research is in the journal Nature Medicine.

点击显示原文

隐藏原文=

The scientists hope to quickly scale up to human trials and ultimately develop a version that could find a place in the emergency room armamentarium.

点击显示原文

隐藏原文=

Thanks for the minute, for Scientific American's 60-Second Science. I'm Cynthia Graber.

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
  • 第 18 句
  • 第 19 句

+ 创建收藏夹
保存 取消