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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) 分类 Scientific American(一)月

By Cathy Majtenyi Bujumbura 24 April 2006 Every 30 seconds a child in Africa dies of malaria. Health care workers report a drop in malaria rates with bed net use, but in the tiny central African natio

发表于:2019-01-13 / 阅读(93) / 评论(0) 分类 2006年VOA标准英语(四月)

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) 分类 阅读空间

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) 分类 人与地方

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

发表于:2019-02-13 / 阅读(33) / 评论(0) 分类 TED演讲教育篇

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) 分类 英语美文
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A-switchboard
acyclic model theorem
addressing inquiries
adrias
agelasta hirticornis
allied tactical air force
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angitis
aquatic science
Archipelagic Waters
automatic swing chute
balanced binary tree
bidirection
bill discount
bioluminescence photometer
blazonings
bonding capacity
Boolean equation
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brush contact encoder
cat bear
chamber of horror
chikamatsu
communicating branch with inferior laryngeal nerve
constant workspace
continuous furrow planter
costo-cervical lymph gland
crooe
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dust measurement
dynamic dispatcher
equidistant
eremium
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fire support coordination line
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get ... by heart
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goods in progress
helfrecht
Holmesian
homoplastically
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institutrix
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Klumpke-Dejerine paralysis
levitating field
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lonicera tangutica maxim.
low velocity electron
MacGregor
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match joint
miniature capacitance probe
Multiceps multiceps
music appreciation
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overtime ban
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phenmedipham
physiology of protozoa
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qualitative gradation
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rigourist
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stagnic features
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Thevenin's theorem
throw in at the deep end
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