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By Parke Brewer The women's pole vault provided one of the stirring dramas of the 2004 Olympic track and field competition. Until the mid 1990s, women's pole vault was not taken very seriously, mainly

发表于:2018-12-12 / 阅读(162) / 评论(0) 分类 VOA2004(下)--雅典奥运

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? Don't be fooled by those big bovine eyes and the mouth slowly chewing cudcows have a magnetic personality. At least thats the claim made by German researchers in the

发表于:2018-12-24 / 阅读(218) / 评论(0) 分类 Scientific American(八)月

If you splashed down in the Atlantic, you'd flounder on which way to swim. But a hatchling loggerhead turtle would know just where to paddleby reading the Earth's magnetic field. Scientists knew turtles can pinpoint latitude this way, because the fie

发表于:2018-12-24 / 阅读(172) / 评论(0) 分类 Scientific American(二)月

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 kneel [ ni:l ] She knelt to pray. v. 跪

发表于:2018-12-30 / 阅读(277) / 评论(0) 分类 每日攻克5词

Larry Newitt from the Geological Survey of Canada charts the movement of the magnetic North Pole as it wanders the icy reaches of northern Canada. To determine where the magnetic pole / is, we can't rely on one single observation. What I try to do is

发表于:2019-01-22 / 阅读(201) / 评论(0) 分类 自然百科2011年

They are constantly on the move. New-born calves have to be up and running the day they are born. But the vast herds do not travel alone. Wolves. Packs of them, eight to ten strong, shadow the migration. And they are hungry. Its the newly born calves

发表于:2019-01-23 / 阅读(178) / 评论(0) 分类 探索与发现2012年

Day 10. And the mother has let her cubs a mile from the den. Its time to put them to the test. Theyve grown enormously in confidence, but they dont have their mothers sense of urgency. At last it seems that they are ready for their journey. And they

发表于:2019-01-23 / 阅读(160) / 评论(0) 分类 探索与发现2012年

The latest data from the twin Voyager spacecrafts suggest the outer edge of the solar system is not smooth but filled with giant magnetic bubbles. Scientists say the turbulent bubbles are the result of the interaction between the Suns magnetic field

发表于:2019-02-06 / 阅读(210) / 评论(0) 分类 英语新闻

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发表于:2019-02-09 / 阅读(303) / 评论(0) 分类 加州语文教材California Treasures G5

It has long been known as ESP, Spider Sense, or the ability to see things before they happen. 一直以来,第六感也被称为超感知觉、蜘蛛感应,也就是预知未来事物的能力。 But now scientists have proved that human really d

发表于:2019-02-09 / 阅读(181) / 评论(0) 分类 大学四六级阅读

By calculating how old the rocks are where we find these ancient compasses, we can figure out how long ago the magnetized parts were locked in. That tells us which direction was magnetic north tens of thousands of years ago. Surprisingly, its not alw

发表于:2019-02-23 / 阅读(184) / 评论(0) 分类 英语时差8,16

Magnetic North Pole Moving Faster Than Scientists Expected Earths north magnetic pole is moving, researchers say. It has moved so much, so quickly that a group of scientists hurried to change a model that helps guide shipping, airplanes and submarine

发表于:2019-03-12 / 阅读(366) / 评论(0) 分类 2019年VOA慢速英语(二)月
学英语单词
American Oceanic Organization
aminophenol sulfonic acid
animato
apothecia
arteriae palpebrales mediales
azonal formation
blickened
bolt neck
Boolean complement
BranchCache
bromoformyl
carbonyl process
CHLB
chordal cancer
cinderella
co-carcinogenesis
coaching behavior assessment system
complement vector
conglomerate merger
copy-number variant
cruzeiro
dannenhauer
DIMAPA
double elevator
dynamic process deletion
ectothalamus
edematous gout
edge-lit display
electro-cast product
epipelagic zone
equivalent speed
ericson
Ettinghausen-Nernst effect
fly off the handle
Fridrich method
games-mistresses
glands of Filippi
gradation, color
gravity action of
half-pulse repetition-rate delay
Hanger-Rose skin test
hexadimethrine
huemuls
hypoalbuminosis
indicial transfer function
infrahepatic
inverse plasmon scattering
jaller
jargonaphasia
Jurayf
legislative law-making
look up at
mcintire sleeve
medial extremity
milk processing factory
mobile app
modeliar
munjas
naevus vascularis
nippled moth
non-promovent
nondivisibility
ofwake
optical density
partition user
petrikirche
Portlandville
precautionary reference points
Preinterventional
psych-
real-time range processing
rebell
rhythmicity
ring-shaped gear pump for lubricant
Ronson
sahlite (salite)
sailskipper
sebileau's band
separation machine
septomaxillaries (or sarasins' turbinal)
seraing
series in descending powers
single dominant gene
sodium acid sulfite
spelder
spring travel
stain hermine
stale b/l
steady-state measurement
stomaching
strip coal
suffisantly
supply exceeds demand
suspensory platysma ligament
taylor-maccoll solution
TR
tung tung t'ui
univalent antitoxin
unmoving
well-developed
Yushania farcticaulis
zoochemical