虚地磁极

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(137) / 评论(0) 分类 VOA2004(下)--雅典奥运

Online gamers enjoy a concert on the BBC's virtual island The line between the real world and online virtual worlds is becoming increasingly blurred with gamers spending real money to buy virtual commodities and even real estate in digital worlds. W

发表于:2019-01-02 / 阅读(172) / 评论(0) 分类 Take Away English

By Jerilyn Watson Broadcast: October 30, 2003 This is Steve Ember with the VOA Special English Education Report. Many people remember the day in school when they had to 1)cut up a dead frog. Students

发表于:2019-01-02 / 阅读(170) / 评论(0) 分类 VOA2003(下)-教育与新闻

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(159) / 评论(0) 分类 自然百科2011年

今天我们要学的词是virtual。Virtual, 虚拟的,模拟的。美国和伊朗没有正式外交关系,不过美国国务卿希拉里.克林顿表示, The United States plans to open a virtual embassy for Iran by the end of this year, 美国

发表于:2019-01-27 / 阅读(188) / 评论(0) 分类 英语单词荟萃

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发表于:2019-02-09 / 阅读(251) / 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(165) / 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(341) / 评论(0) 分类 2019年VOA慢速英语(二)月
学英语单词
a sensible change
aa-rated
acculturationist
all-bottom sound
always the case
antenna drive system
anti-grav
antispermagglutinin
arc source of electron
asmission ticket
Aubrey hole
auto-intoxication dyscratic
automated abstracting
benchmark routine
bimetallic thermometer element
black englishes
block adjustment
c-band
chasuble
chateau latour
chondriome
citolas
closed-loop variable command control
contra-rotating propellers
convective storm environment
copper clad steel
cross tracking
darkfield microscope
demaio
divisions
doroshin
dot-sequential method
earth potential field
electric vacuum cleaner
engine car
euphausiaceas
exsufflations
Femminamorta, Mte.
fixed elevator
flathomes
Flemish art
fly-man
Foest
gelsomino
genefrine
genital coelom
has gone is up
hermanniella punctulata
horizontal optimeter
hypoactive sexual desire disoreder
initial table
interosseous groove of calcaneus
intramolecular transposition
Investment risk mechanism
involute wheel tooth
john kebles
Kherba
Klorita
minimum pause
missourite
moich
muck it up
mustarder
mycoplasma bovis
Nebria
Nicomethanol
no return point
Noah's Ark
nose gear door linkage
paleographic
pertinent to
pitchpoles
press working
protest a decision
ptarmica
push a dance
qualification test
quasi-elementary solution
reflector lamp bulb
remigiuss
replyers
roots of crime
scattering area coefficient
shaking palsy
shuttle-box motion
simpliscriptor
soda-granite
spatial optimization
spitball
sportsground
squareerror
squeeze plate
thermal-diffusion constant
transfluence
transistor static characteristic
unsinfully
vanona
Veydelevskiy Rayon
video memory
Vinyon CF
whole book of tickets
worm bearing cup