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SSS 2008-09-10

时间:2010-05-15 01:09来源:互联网 提供网友:木渐浅。   字体: [ ]
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    (单词翻译:双击或拖选)

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute?

There's a new prescription1 for communities that want to make their streets safer for bike riders: just add more bikes. A team of international researchers looked at cities from Australia to Denmark to California, and found that more riders meant fewer run-ins with cars. The researchers presented their findings to a cycling safety seminar on September 5 in Sydney, Australia.

What's surprising, the researchers say, is that biker safety doesn't seem to correspond to a city's efforts to cut down on accidents. Run-ins between bikes and cars had little to do with miles of bike lanes or lower speed limits. But if the number of bike riders in a city doubled, the rate of bike-car accidents dropped by a third.

Apparently2, motorists learn to share the road better when they have to deal with more bikes on their daily commute3. Also, more cyclists means more drivers who also bike, which makes them better aware of fellow bikers. The researchers call it a virtuous4 cycle—run-ins with cars drop with more bikes on the road. And safer cycling means more people strap5 on a helmet and join the revolution.

 Thanks for the minute for Scientific American's 60-Second Science. I'm Adam Hinterthuer .


点击收听单词发音收听单词发音  

1 prescription u1vzA     
n.处方,开药;指示,规定
参考例句:
  • The physician made a prescription against sea- sickness for him.医生给他开了个治晕船的药方。
  • The drug is available on prescription only.这种药只能凭处方购买。
2 apparently tMmyQ     
adv.显然地;表面上,似乎
参考例句:
  • An apparently blind alley leads suddenly into an open space.山穷水尽,豁然开朗。
  • He was apparently much surprised at the news.他对那个消息显然感到十分惊异。
3 commute BXTyi     
vi.乘车上下班;vt.减(刑);折合;n.上下班交通
参考例句:
  • I spend much less time on my commute to work now.我现在工作的往返时间要节省好多。
  • Most office workers commute from the suburbs.很多公司的职员都是从郊外来上班的。
4 virtuous upCyI     
adj.有品德的,善良的,贞洁的,有效力的
参考例句:
  • She was such a virtuous woman that everybody respected her.她是个有道德的女性,人人都尊敬她。
  • My uncle is always proud of having a virtuous wife.叔叔一直为娶到一位贤德的妻子而骄傲。
5 strap 5GhzK     
n.皮带,带子;v.用带扣住,束牢;用绷带包扎
参考例句:
  • She held onto a strap to steady herself.她抓住拉手吊带以便站稳。
  • The nurse will strap up your wound.护士会绑扎你的伤口。
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