[网络] 炭疽菌及果蝇

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. For those of you whove spent many of your waking hours this winter washing your hands and fretting about getting sick, you might be better off just stayi

发表于:2018-12-02 / 阅读(440) / 评论(0) 分类 Scientific American(十二)月

Don: Some people seem to need significantly less sleep than others. Yael: Tell me about it. I have a friend who swears that she sleeps only five hours a night. If she's telling the truth, then she must be bionic. She seems to have plenty of energy, a

发表于:2018-12-05 / 阅读(398) / 评论(0) 分类 英语听力文摘 English Digest

Time is precious. Nobody can afford to waste time. Once time has gone by, it will never return. You can never turn the clock back. Time passes very quickly. In fact, people say time flies. Time and ti

发表于:2018-12-08 / 阅读(598) / 评论(0) 分类 赖世雄初级美国英语

所谓pun,通常是指利用一个单词的两个含义,或者利用两个特定的单词,达到一语双关的目的。例如在下面这句话里,其中的grave有两个含义,一个是严肃的(形容词),一个是坟墓(名词),

发表于:2018-12-18 / 阅读(402) / 评论(0) 分类 TED演讲视频集

Of course, in this century, uses for drones go far beyond war, to include surveillance, exploration, photography, racing. And one young inventor is hoping that smart drones will be able to navigate dangerous places, avoiding obstacles while searching

发表于:2018-12-20 / 阅读(342) / 评论(0) 分类 CNN美国有线新闻2018年6月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Sarah Palin on the campaign trail was at times dismissive of science. She attacked fruit fly research, saying that tax dollars were going to projects h

发表于:2018-12-24 / 阅读(440) / 评论(0) 分类 Scientific American(十二)月

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Birds and sea turtles can migrate thousands of miles, by reading the Earth's magnetic cues. But we too might have magnetic sensing abilitiesin our eyes. So say

发表于:2018-12-24 / 阅读(384) / 评论(0) 分类 Scientific American(六)月

Fruit Fly Learning You might think those pesky little fruit flies gathering around your fresh produce every summer are too stupid to know a banana from a pear. Theyre barely large enough to see. They certainly cant have that much brain power, can the

发表于:2018-12-27 / 阅读(365) / 评论(0) 分类 英语时差8,16

Fruit Flies Love Alcohol! 果蝇喜欢酒精! When human females are pregnant, theyre advised to stay away from alcohol, for fear of harming the fetus. And most parents refrain from giving their infants bottles full of whiskey or beer, for obvious

发表于:2018-12-28 / 阅读(412) / 评论(0) 分类 初学者听力文摘精选

Don: Some people seem to need significantly less sleep than others. Yael: Tell me about it. I have a friend who swears that she sleeps only five hours a night. If she's telling the truth, then she must be bionic. She seems to have plenty of energy, a

发表于:2018-12-28 / 阅读(358) / 评论(0) 分类 初学者听力文摘精选

This is Scientific American 60 Second Science, I'm Cynthia Graber, this will just take a minute~ You know the sceneits a Friday night, and your date just canceled. Youre bummed, maybe a little hurt. You think now might be a good time for a beer, mayb

发表于:2019-01-08 / 阅读(412) / 评论(0) 分类 Scientific American(三)月

This is Scientific American 60 second Science, I'm Cynthia Graber, got a minute? Were not the only animals that like to knock back the hard stuff. Studies have shown that some mammals seek out food and drink that naturally contains alcohol. And accor

发表于:2019-01-08 / 阅读(438) / 评论(0) 分类 Scientific American(二)月

By Phuong Tran Dakar, Senegal 22 November 2006 Discovered three years ago in Kenya, an Asian fruit fly species is spreading throughout Africa, posing a threat to crops and livelihoods. Farmers and government officials are starting to devise strategi

发表于:2019-01-09 / 阅读(424) / 评论(0) 分类 2006年VOA标准英语(十一月)

AGRICULTURE REPORT - Controlling Fruit Flies in Hawaii By Mario Ritter Broadcast: Tuesday, March 02, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Fruit flies can damage fo

发表于:2019-01-09 / 阅读(433) / 评论(0) 分类 农业与发展

Sorry,thereisnottexttemporarily,Pleasehelptingroomtolookforit! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thankyou !

发表于:2019-01-09 / 阅读(450) / 评论(0) 分类 新课标小学英语阅读100篇

At Scripps Research Institute in Jupiter, Florida, scientists are working to find clues about how the human brain processes memories. Their laboratory test animal is not a chimp or a dog or a rat animals that we know can remember things it is the com

发表于:2019-01-13 / 阅读(459) / 评论(0) 分类 VOA标准英语2010年(三月)

VOA's weekly science and technology radio magazine Art Chimes | Washington, DC 12 March 2010 Related Links IPCC InterAcademy Council Kidney donor health (JAMA) Scripps Florida APA Help Center Cornell nanotextiles lab Preserving Digital Worlds (Univ o

发表于:2019-01-13 / 阅读(373) / 评论(0) 分类 VOA标准英语2010年(三月)

所谓pun,通常是指利用一个单词的两个含义,或者利用两个特定的单词,达到“一语双关”的目的。比如下面第一句话,其中的grave有两个含义,一个是“

发表于:2019-02-01 / 阅读(466) / 评论(0) 分类 趣味英语

A gene that controls how long we sleep has been discovered by scientists explaining why some people have their own internal alarm clock. Scientists identified a gene called ABCC9 that can reduce the length of time we sleep. The same gene has previous

发表于:2019-02-07 / 阅读(352) / 评论(0) 分类 阅读空间

/f/ 唇齿摩擦辅音。发音时下唇轻触上齿,气流由唇齿间通过,形成摩擦音。这是个清辅音,发音时送气强,但声带不振动。 [] 双唇微开,舌头伸出来,上下齿轻咬住舌尖,将气流从牙齿的缝隙

发表于:2019-02-12 / 阅读(315) / 评论(0) 分类 卡卡课堂早餐英语
学英语单词
a-spot
acousma
addend string
analog bicmos
anti-foams
apple salad
articles of association
ascaridia columbae galli
asepticizing
background scattering
bare-board testing
battle of Teutoburger Wald
bevel brick
biotechniqe
Blue Max
Boletus luridus
bryo-
Burbank, Luther
cannot re-provision
capacity fall off
carburettor tickler
centroidal rotation
chalice cell
check clone
chondrogenesis
codium repens
constant-dollar values
coronation dance (england)
corporate managing unit
daily-use industrial goods
dealate
deficiency of liver blood
diethyimalonylurea
digitalis tincture
Dioscuri
dojo mat
double logarithmic chart
executive clemency
exuviae
file deletion
fragment shaders
freight handling facility
genus Hylactophryne
greater perfect system
grooved spring steel
Gökova
high-altitude sounding rocket
homeotic genes
hour indicator lock
hydrolith
hyperepinephrinemia
implicit addressing
inclined apron cleaner
initial measurement
interactive graphic procedure
inverse square law
kausmann
Kharuta
lay up a rope
liquid thermometre
logical constants
long-end of the market
lose count of
MCB
meggie
mexitil
multidegree of freedom
muritaniyas
mutably
myclocyte
mylius test
nasal margin
nenashev
penly
phenomenologists
planning programming and budgeting system
pleasure-seekers
potato phosphorylase
propleuron
prosecutorships
Pull devil, pull baker!
Rami ganglionares
rodenticide
safety eyewear
sex-drives
silicifies
skalds
squanter-squash
St-Jean-Pied-de-Port
subterranean shoots
Syryenian
tamburicas
totipotence
Trafalgar, C.
turbine start
unless otherwise stated
Valhermoso
Vema Trench
wagged
wimp
Yayes