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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
学英语单词
air lifting
alexandrov
all-pass structure
alphabetical filing
aram ilich khachaturians
Arteria radicularis anterior
association (of ideas)
Ban Wang Ta Klat
Band-Aids
basic assembler language
buckskins
carrad
chabouks
chemical depigmentation
Childeric II
clevises
color removal
colostre (la colostre riviere)
contingency food
controlled flow vehicle
degree of corrosion
designate by
differential form
ebbesen
error-tested
estimation of time
etosalamide
fie
first-year commission
flame orange
flexographic printing, flexography
forsaker
frequency scintillation oscilloscope
fruitist
geosesarma hednon
have a grip on
hiomt (hydroxyindole-o-methyl trasferase)
home-beat
injected plasma
inter-correlation
Jogindarnagar
juicily
leased circuit connection
Lindach
lunatics
make a reach for sth
mass rate of emission standard
maximum permissible dose equivalent
memorandas
milking generator
mismatch
moskito
nonimpinging injector
Nordamnacanthal
officiousnesses
optional dive
pad-eye
Papilionoideae
parametric representation
pilgrimaging
pointing control
prime-cut naphtha
primosome
pulmonis
quantized random variable
radial-clearance blading
rare acids
reproductive potential
restricted industrial district
rice perarling machine
roller press
Rootone
safety protection program
Saponaria officinalis
Schmorl nodules
self-guided
shallow-bowled glass
suden
superman returns
synthetic fiber
tail-pod radishes
tetracenomycin
the digital divide
three-address instruction
tiapridex
tiger bittern
touch sense
Tousnina
track-in-cleavage
transflux
trimdons
two degrees of freedom
two-way interleaved access
ultrapotassic volcanic series
unexamined patent
weaning pig weight
weight tolerance
welterings
whangee
wristwarmer
ywrought