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 Christopher Intagliata. Got a minute?

点击显示原文

隐藏原文=

You've probably noticed that synthetic t-shirts stink more after a workout, compared to cotton.

点击显示原文

隐藏原文=

But hey, it's not the fabric's fault.

点击显示原文

隐藏原文=

It's the microbes that hang out on synthetics, that create that characteristic stench.

点击显示原文

隐藏原文=

That's according to a study in the journal Applied and Environmental Microbiology.

点击显示原文

隐藏原文=

Twenty-six volunteers half men, half women, worked out on spinning bikes for an hour.

点击显示原文

隐藏原文=

And they did so outfitted with shirts of cotton, polyester, or a cotton/synthetic blend.

点击显示原文

隐藏原文=

Then researchers stuffed the sweaty shirts into plastic bags.

点击显示原文

隐藏原文=

The next day, a trained panel sniffed them, rating their funk.

点击显示原文

隐藏原文=

Unlucky job. Because yes, the polyester shirts were indeed more musty, sour, and ammonia-like than the cotton.

点击显示原文

隐藏原文=

DNA analysis revealed that Micrococcus bacteria were to blame.

点击显示原文

隐藏原文=

They aren't actually all that common in the armpit itself.

点击显示原文

隐藏原文=

And they don't flock to cotton.

点击显示原文

隐藏原文=

But researchers say they thrive on the open-air lattice of synthetic fibers, where they sit chomping on the long-chain fatty acids in our sweat, turning them into shorter, stinkier molecules.

点击显示原文

隐藏原文=

These findings might just explain one of the most vexing questions of adolescence:

点击显示原文

隐藏原文=

why do stinky shirts smell so unpleasantly different from the body odor in the armpits themselves?

点击显示原文

隐藏原文=

Could be because your favorite shirt has a microbiome of its own.

点击显示原文

隐藏原文=

Thanks for the minute, for Scientific American 60-Second Science. I'm Christopher Intagliata.

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

+ 创建收藏夹
保存 取消