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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(112) / 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(150) / 评论(0) 分类 Scientific American(八)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(190) / 评论(0) 分类 每日攻克5词

My new love is you see Tied to the dock and waits for me Older than it appears to be Saving one last trip for me Roughly treated with a broken pole For love only it's been sold Saw the leak under the surface and Said hold on we will sail again I'm re

发表于:2019-01-11 / 阅读(118) / 评论(0) 分类 美国乡村音乐

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(120) / 评论(0) 分类 自然百科2011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(152) / 评论(0) 分类 英语新闻

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发表于:2019-02-09 / 阅读(213) / 评论(0) 分类 加州语文教材California Treasures G5

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(137) / 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(311) / 评论(0) 分类 2019年VOA慢速英语(二)月
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ajmalicine
anthomaniac
archival backup
average life
Bangania, Rap.de
barfs
bibasic amino acid
black hellebores
brain-scan
brill-symmers(syndrome)
brownbag
Busiris
carbon reduction cycle
Cartesian devils
chloricus
Cinnamomum wilsonii
circular galvanometer
cobalt ore
cold-blood horse
coupled surge
cross-staffs
dancehall music
delay in shipment
diffuse hyperplastic arteriosclerosis
dihydroxyanthralin
discounted gross benefit cost ratio
dot format
Durness
ecopolitical
Ellis' curve
emergency shears
eunicin
eye blinks
fatal illness
femoral ring
fideliss
flower-lineds
fore beam
goguryeo
grammatical
haematogenetic
high-low-jacks
homozygotic state
Honjō-gawa
houseowners
Huara
imesatin
immersion depth
inherent availability
integrated policy
irregular french curve
isolate bus
ladder step
linear strain diagram
ljw
made game of
maino
make a complaint
method of elastic weight
microcystin
Narcompren
naval optoelectronic director
Normotiroide
numerous minute echoes
oblivioned
one way board
outcoming signal
passerine
pauling's rule
Philip's glands
physiatricss
PHYTOTOMIDAE
proprioceptive
PSAC
quartz iodine tungsten lamp
randomness of sequences
reconfining
reduced insulation
relief printing ink
reverberatory burner
road construction equipment
saltmaker
sloppage
solid state-plasma interactions
special bad debts reserve
St-Sulpice-Laurière
stookies
surface roughening
tachycurarin
tale-bearing
taxable entity
time for protest
to clear up
trigg
trip tics
turbo machinery compressor
ulpiana
whigged
whittle away a fortune
windigo
wittstein
young Iady