[电] 辅助磁极

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(184) / 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(238) / 评论(0) 分类 Scientific American(八)月

auxiliary, [ ?:g'ziljəri ] adj 辅助的,从属的=subordinate=additional=supplementary 【例】an auxiliary airdrome 辅助机场 【记】同ancillary(一个希拉里,adj 补助的)一起记

发表于:2018-12-30 / 阅读(200) / 评论(0) 分类 不择手段背单词

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(313) / 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(231) / 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(233) / 评论(0) 分类 英语新闻

图片1 图片2 图片3

发表于:2019-02-09 / 阅读(319) / 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(200) / 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(393) / 评论(0) 分类 2019年VOA慢速英语(二)月
学英语单词
accelerator cavity
act your age
antiswing
appia
b-52
balkanabat (nebitdag)
bioconvective
bomble
button-holer
calc-granite
cashmere twill
cecocoloplicopexy
channel terrace
cirrostratus nebulous
coenotype
contingency operation
corporate governance structure
cottre precipitator
Cremanthodium reniforme
cross-blast interrupter
D.C.electric propulsion plant
disassented
dissapearing
Domitian
drum breaker starter
economic friction
Edam
Ellingsφya
endowed by nature
extralist
extrasexual
field assistant
followill
galley house
gang board
glass furnace
half-wave rectification
hoop reinforcement
hyperinosemia
Hǒhangnyǒng
Idstedt
inland waterway
intensity bridge ratio
inverted wavelet
isotelic substance
IT management
jiddou
Kolambugan
Kubrickology
legalising
LOGSAFE
man-machine process chart
management entity
Mancicorpus
manufacturer's rating
marine hydrochemistry
minor dam
multi-wheel roller
N'Yawk
NAFAIK
North Shields
outbrain
paidopsychology
pedalfers
quadrisyllabic, quadrisyllabical
radial pulsation measurement
radial solid mixing
rootball
Sacred College
salinise
selectorrepeater
shot on goal
Shëngjin
site-selection
sousou
spiral-wound ro cartridge
status byte
steady-state commutation
tantity
tectorial cell
tetrahydro-para-methoxyquinoline
the eyes of night
the legend of sleepy hollow
thoracic outlet syndrome
three-axis magnetometer
time constant transistor
Tindale
traffic-choked
transitive relationship
trichomycosis
true power output
try best to
Uiseong-gun
unpassionately
vertical correction factor
veteusan
vin de table
vortex scrubber
warproof
wireless telephony
zirconia whisker reinforcement