[电子] 地面绕射

Earth's Surfaces Are Always Moving 地球表面一直在运动 From VOA Learning English, this is Science in the News. Im Anna Matteo. And Im Christopher Cruise. Scientists who study the Earth tell us the continents and ocean floors are always moving

发表于:2019-01-12 / 阅读(101) / 评论(0) 分类 2014年VOA慢速英语(四)月

Friday is Moon Day, which commemorates the first human landing on the Moon on July 20, 1969. To mark the occasion, let's take a look at China's lunar exploration program. The Chang'e program China's lunar exploration program started in 2004. It is na

发表于:2019-01-19 / 阅读(131) / 评论(0) 分类 2018CRI中国国际广播电台

Broadcast: Jan 10, 2003 By George Grow This is the VOA Special English ENVIRONMENT REPORT. American scientists say rising temperatures on Earth's surface are forcing animals and plants to move to cool

发表于:2019-01-20 / 阅读(221) / 评论(0) 分类 VOA2003(上)-社会广角

If we could flip a switch and just turn off the Earth's magnetic field, it will take about 15,000 years to disappear, based on the rate of decay of the field that we've seen over the last 150 years. It's currently decaying at a rate that would see an

发表于:2019-01-22 / 阅读(115) / 评论(0) 分类 自然百科2011年

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学英语单词
a hanger
a thug
accrescence
administrative class
after beat
agammaglobulinemias
ague root
allocated-use circuit
alternative technology
Ammanazar
arenaria peploidess
attack-ad
benumbs
bichannel optical fuze
blusterer
Bowman-Heidenhain theory
bustle with
candiano
cashier's order
ceramic liner
cheilotrichia (empeda) nigroapicalis
clay burner
cloth feeder
CMP (core-melt probability)
compleet
cost allocation basis
crosstalk coupling
curys
dano-norwegians
day of the month
decimal attenuator
decision speed
direct free kick
Elaeocarpus nitentifolius
Enterprise Systems Connection
epiconus
essential chorea
exudate
false cypress(chamaecyparis)
fast dye
fermentans
foot control
fracture dislocation of spine
full as an egg
gangliocytes
gaudy day
great rhododendron
hemocidal
inclination of the seat surface
inefficient type
information repository
infra red lamp
intake with artificial bend
internet-delivered
irradiated fuel
isogonal transformation
karrans
keeth
La Bérarde
Laminaria japonica Aresch.
learning situation
lime oil
live shows
machine posting
mirondones
myokinestmete
NSC-118994
Obamacheck
oblongata
obstant
Open System Interconnection
orbitale
pedlar's market
pleomastic
Polmix
precious metal refiner
primal horde
privileged master procedure
prothrombin,thrombinogen,thrombogen
reedbird
repeat construct
Ryssopterys
scrolling window
sedimentation boundary
Seeed
self-debasement
semi infinite
Shichikashuku
splunk
street (lighting) code
styline
submaxillary saliva
Suttner
synthetic fur
testieres
the prospect before us
Tomism
tunnel announciating device
unangered
virtual private dial-up network
water demineralization
water tractor