皮脂腺增生

SSS 2009-01-02

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Mosquitoes carry nasty diseasesdengue fever, west nile, malaria. But the microbes that cause those diseases dont attach themselves to the mosquitoes an

发表于:2019-01-08 / 阅读(81) / 评论(0)

Scientific American(一)月

VOA标准英语 Obama Makes Surprise Visit to Iraq

U.S. President Barack Obama has made a surprise visit to Iraq to meet with American troops and commanders, and consult with Iraqi leaders. President Barack Obama is greeted by Gen. Ray Odierno, top US commander in Iraq, as he arrives in Baghdad, 07

发表于:2019-01-13 / 阅读(46) / 评论(0)

VOA标准英语2009年(四月)

狗狗的鼻子为什么总是湿的？

Why are dogs'noses so wet? 狗狗的鼻子为什么总是湿的？ Humans and dogs share a special relationship, moulded over millennia of reciprocal love and companionship. 数千年来，人类和狗狗都有十分特殊的关系，相互喜爱，相

发表于:2019-02-01 / 阅读(342) / 评论(0)

阅读空间

Hoglands

BBC Learning English People and Places Hoglands Amber:Hello, Im Amber and youre listening to bbclearningenglish.com In People and Places today, we meet Mary Moore, daughter of the renowned British artist and sculptor, Henry Moore (who died in 1986).

发表于:2019-02-04 / 阅读(151) / 评论(0)

人与地方

TED演讲:出身决定命运?(2)

Another example: 还有一个例子 a few years ago I got a call from a man who was 19 years old, 几年前，我接到一个十九岁的男孩打来的电话 who was born a boy, raised a boy, 他生下来是个男孩，也被当作男孩来养 had a

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TED演讲教育篇

英语美文：人生如诗

I think that, from a biological standpoint, human life almost reads like a poem. It has its own rhythm and beat, its internal cycles of growth and decay. It begins with innocent childhood, followed by awkward adolescence trying awkwardly to adapt its

发表于:2019-02-20 / 阅读(51) / 评论(0)

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AAAE

american council on education

annulus praeputialis

asymmetrical roller bearing

auxiliary operation

averageness

Ballantyne Str.

banded iron formation

Basoda

battles of wagram

beta emitters