[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(79) / 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(113) / 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(87) / 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(125) / 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(74) / 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(103) / 评论(0) 分类 英语新闻

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发表于:2019-02-09 / 阅读(167) / 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(94) / 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(257) / 评论(0) 分类 2019年VOA慢速英语(二)月
学英语单词
ahead three again ahead
all-mountain
allelic heterogeneity
anatomy in motion
anti-logarithm
apographal
area format
bearherry
boweds cotton
CAPITB
carbon transfer recording
chain-fold packing
charged nucleus
coastal plain swamp
Combined hydroelectric plant
Crooked River
cyclostyling
deduct from repay
dial jack
diecasts
dioptrate
dynamic real-time information processing system
early warning signal
East Africa
eddy wake
encases
endorsement of bill of lading
engine start
enterpriser
ephedradine
evaporation constant
exponence
f/f mouse
Farley maidenhair fern
fensible
filecard
frameshift suppressor
genus polybotryas
Gerbera henryi
goal-posts
goldfish-bowls
gradual cooling
grafen
health intervention
herring boat
inboard suction isolation
ke'ra
Kikuyuland
Lightfoot L.
lithium sulphate
malveillant
margarett
marine belt
maximum image area
mechanogated
Menet
Microsporum minutissimum
milligrame
multi-coil feed heater
new-tech
nuclear instrument
object phrase
offer an exhibit
orthogonalized plane wave method
outgoing end
oversealing
paper-white narcissus
paraeuchaeta investigatoris
Parker model
Pascua, R.
physical deformity
prosthologist
pyons
quotation sheet
refraction axis
regulating-metering station
regulationloop
relief works
rhodocidin
Sabaneta
sectorial harmonic
self-abandoned
sensyr
sequence control tape
ship building plate
special geometry
spring-activated firing pin
stage adapter
Stapfiophyton degeneratum
Technology Sector
telecompas
traditional financial management
tube protector
two - percent milk
two-stage lubricating-oil filter
tyre fork
upspout
Urawa
visceral peritoneum
wear the pants
wild-goose chase
Wood-tissue