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[聽力文摘] 聽力文摘第28期:夜視為何看不見顏色
Night Vision And Humans: Why Can't We See Color?夜視：人類為何看不見顏色？ When we are in a fairly dark room, or outside at night away from lights, we can still see, but we can'2012-07-06 編輯：rainbow
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[聽力文摘] 聽力文摘第27期:為什么天空不是統(tǒng)一的藍(lán)色
Why The Sky Is Not Blue為什么天空不是統(tǒng)一的藍(lán)色Look at various parts of the sky on a clear day and you will see that it is not a uniform blue. Even if the sky is deep blue when you look straight up,2012-07-05 編輯：rainbow
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[聽力文摘] 聽力文摘第26期:水下的朦朧世界
The Blurry World Underwater水下的朦朧世界When you open your eyes underwater, things look blurry, but with goggles, everything looks perfectly clear. Why can't we landlubbers focus underwater2012-07-04 編輯：rainbow
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[聽力文摘] 聽力文摘第25期:有一種沸騰能冷卻你的食物
The Rolling Boil That Cools Your Food有一種沸騰能冷卻你的食物！When you think of something boiling, you probably picture a pot on the stove, but there's another kitchen appliance that brings2012-07-03 編輯：rainbow
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[聽力文摘] 聽力文摘第24期:為何冰箱會發(fā)出聲音?
Why refrigerators hum?為何冰箱會發(fā)出聲音？Why refrigerators hum，on toay's moment of science.On the recent program we have discussed how fluorocarboncoolant cools your food by coming to a boi2012-07-02 編輯：rainbow
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[聽力文摘] 聽力文摘第23期:曾經(jīng)的山頂洞人
Sometime Cavemen曾經(jīng)的山頂洞人From the bestselling novel2012-06-29 編輯：rainbow
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[聽力文摘] 聽力文摘第22期:蠶絲生產(chǎn)的秘密知多少?
Secrets Of Silk Production蠶絲生產(chǎn)的秘密Fifteen hundred years ago in China, silk production was a state secret.在1500年前的中國，蠶絲的生產(chǎn)方法是國家機(jī)密。The silk trade was so valuable that anyone w2012-06-28 編輯：rainbow
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[聽力文摘] 聽力文摘第21期:緩慢的生存
Survival Of The Sluggish緩慢的生存Silkworms have been bred over thousands of years to behave quite unlike their caterpillar cousins in the wild. That's because people purposely breed silkworm2012-06-26 編輯：rainbow
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[聽力文摘] 聽力文摘第20期:中年發(fā)福傷不起
The Mathematics Of Middle-Age Spread中年發(fā)福傷不起Let's say you're an 18 year old male who runs every other day, logging 12 miles a week.假設(shè)你是一個18歲的男性，每隔一天就會跑步，算下2012-06-25 編輯：rainbow
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