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=

A common response to seeing an ant inside your house is to stomp on it.

点击显示原文

隐藏原文=

But if you crush a member of the ant species Tapinoma sessile, you might catch a whiff of a strange smell,

点击显示原文

隐藏原文=

a smell that reminds some people of blue cheese, rancid butter or rotten coconut.

点击显示原文

隐藏原文=

In fact, the smell is so noticeable that the insect's common name is the "odorous house ant."

点击显示原文

隐藏原文=

And many people call it the coconut ant.

点击显示原文

隐藏原文=

In an effort to figure out why people have these reactions, researchers enlisted visitors at an event called the North Carolina BugFest.

点击显示原文

隐藏原文=

One-hundred-forty-three volunteers smelled smushed ants and were asked to identify the scent from four choices: blue cheese, rancid butter, rotten coconut or just other.

点击显示原文

隐藏原文=

Although Web sites overwhelmingly call the smell rotten coconut, almost 40 percent of the human judges picked blue cheese and about 25 percent picked rotten coconut.

点击显示原文

隐藏原文=

More than 30 percent went with the choice of other.

点击显示原文

隐藏原文=

The scientists then analyzed the chemicals responsible for the ant odor, as well as the smelly chemicals in blue cheese, fresh coconut and coconut buried underground for three days.

点击显示原文

隐藏原文=

It turns out that the chemistry of the ants' scent is indeed similar to that of blue cheese and rotten coconut.

点击显示原文

隐藏原文=

But not to fresh coconut.

点击显示原文

隐藏原文=

And the researchers note that the Penicillium microbes that turn coconut oil rancid are also involved in the production of blue cheese.

点击显示原文

隐藏原文=

The study is in the journal American Entomologist.

点击显示原文

隐藏原文=

The researchers also noted that the most common write-in candidate as a description for the ants' aroma was "cleaning spray."

点击显示原文

隐藏原文=

And one little girl told them that the ants "smelled exactly like her doctor."

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

+ 创建收藏夹
保存 取消