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词型变化:名词复数形式 : negative magnetic poles

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(91) / 评论(0) 分类 VOA2004(下)--雅典奥运

Our first story this December 14th baby, it's cold outside. Two-thirds of the United States, the eastern two-thirds, are seeing record-breaking winter temperatures. Some places have recorded their coldest December day ever. What means, this could be

发表于:2018-12-19 / 阅读(68) / 评论(0) 分类 CNN美国有线新闻2016年12月

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(124) / 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(146) / 评论(0) 分类 每日攻克5词

Magnet 磁铁 Magnets are very interesting objects. 磁铁是非常有趣的物体。 Each has a positive pole and a negative pole. 每个磁铁都有正负极。 One for each end. 磁铁两端各为一极。 Similar poles push each other away. 磁铁同

发表于:2019-01-10 / 阅读(79) / 评论(0) 分类 与美国小学生一起学英文第3册

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(90) / 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(117) / 评论(0) 分类 英语新闻

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发表于:2019-02-09 / 阅读(183) / 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(113) / 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(274) / 评论(0) 分类 2019年VOA慢速英语(二)月
学英语单词
abbondanza
acceleration from rest
accidental resemblance
activator-dissociation system
aeacides
Alma Center
araucaria families
atmospheric-pressure counter
attached storage
average information matrix
bending length
boatswain's chair
charle's law
corrosive bittern brine
database indexed search
deteriorative change
dielectric drier
divcom
Dunaujvaros
electromagnetic starter
exogastric
exoperidium
external fixation of fracture
farceuses
filipe
flagellants
floating sleeve
foul-air flue
freelancers
ftn
Fūlādābād
goucher
hand sth round
hobits
hot secondary air
if i live to be a hundred
in stereo
in the schools
internal transference
lifespeed
limiting power
liquid-solid cyclone
low roller
Madeleine, Monts.de la
maholi
midget socket
minimum-delay coding
minispread
mode expander
modifier formula
network intrusion detection systems
non-reciprocal trade preference
Nordurandron
of fixation line
oil-bearing sand
Oxypinone
peachblow
phancifull
photo opportunist
piping bag
planetary spacecraft
potestatems
ppes
Primula sinuata
prober interface
qualitative description
quantized interval
quiet arc
rodnina
sampled data computer
scinaia pseudojaponica
scollon
secure against
self-incriminations
sensitizing dose
sound profile
stomias nebulosus
storage economy
stretchless
sun si-miao
syntaxical
systematic fashion information
tachyglossid
the cultivation of tress
the Sons of the Revolution
thorium halide
three graces
top-end
tunicae vagfnalis propria testis
turn of winding
Ubon Ratchathani, Changwat
unipoint
unstable frame
virtual channel link
watergas
Wawasee, L.
wedge dislocation
wing-tip
word load
yuen long
zilberstein