[电] 独磁极

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(96) / 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(132) / 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(164) / 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(99) / 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(98) / 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(129) / 评论(0) 分类 英语新闻

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发表于:2019-02-09 / 阅读(193) / 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(118) / 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(287) / 评论(0) 分类 2019年VOA慢速英语(二)月
学英语单词
acopia
aurists
Ban Pang Puk
be vexed at
bell lap
billstickers
Board of Governors of the World Bank
camsyiate
characterical
chemical-weapon
chipped gear tooth
cincinnate
contene
controlled thermonuclear reaction (ctr)
core cutting by hydraulic pressure
cyclon
derail fault
desterilization of reserves
directly heated cathode
Division Archoribatida
dorsimesad
drainage perimeter
drive spring pocket
dynamicists
electrical conductivity analyzer
emergency service vehicle
fall into a deep sleep
fats and oils
first-stage construction
flavonold
friction geared winch
Haberturk
halogen family elements
hello girls
high frequency transistor
hole sizer
homogenate
inferior thalamostriate veins
internal resorption of teeth
irias
james's
judgment in personam
junkyard
Krestovyy, Mys
Ladogisian
lock plug
love you forever
Marcobrunner
maximum span
microRNAome
mig welding
mill apron
mitophagosomes
Muftīpur
near to someone's heart
no-voltage release (no voltage cut out)
non-people
nonmaterial
padal
peeled out
pelretin
penny-a-liners
Pey-ronie disease
phd-level
phenyl ethyl cinnamate
piricularia oryzae cavara
piscens
poolhouse
Pragian
prevent shunt
privatizing
raise bread
reactor thermal experiment
reverberatively
sample variance-covariance matrix
sanchinan-A
schweigert
scrutation
security range
semilocal module
separator
serum phosphorus
six-high mill
sound output
space parachute
spiroergometry
steam-turbine-driven altermator
stone boat
sweet talked
Sylvest's disease
technological coefficient
temperature resistance coefficient
tension bolt
thermal-diffusion length
tipstocks
uritary
utility curve
valuable bearer securities
water head test
win glory for our motherland
zero offset voltage
zylofuramine