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EXPLORATIONS - The Year in Space By Paul Thompson Broadcast: Wednesday, December 29, 2004 VOICE ONE: I'm Faith Lapidus. VOICE TWO: And I'm Steve Ember with the VOA Special English program EXPLORATIONS

发表于:2018-12-15 / 阅读(48) / 评论(0) 分类 Explorations

This is Scientific American 60-Second Science. I'm Cindey Graber. This will just take a minute. When TV sets die, they usually end up incinerated or in landfills. But now researchers from Englands University of York believe theyve found a valuable us

发表于:2018-12-24 / 阅读(64) / 评论(0) 分类 Scientific American(七)月

Why does Florida have so many springs? Florida sits on a layer of porous limestone which acts as an underground reservoir or aquifer. This aquifer can absorb huge amounts of water. Where the pressure is great enough, springs bubble up, spewing up bil

发表于:2018-12-26 / 阅读(51) / 评论(0) 分类 自然百科2009年

[00:05.75]The American space agency has released to the public the first of many new pictures of Jupiter's Moon,Io. [00:15.41]NASA's Galileo spacecraft took the pictures last July and October using both black and white film and color film. [00:25.73]

发表于:2018-12-26 / 阅读(52) / 评论(0) 分类 美国英语听力80篇

Daylight Turns Thin Plastic Barrier into Germ-Killing Material Daylight-powered germ-killing equipment may someday help protect health workers from deadly microorganisms like Ebola virus disease. That is a finding from a study published in the journa

发表于:2019-01-03 / 阅读(37) / 评论(0) 分类 2018年VOA慢速英语(四)月

And in fact, Curiosity -- which has been roving on the surface now for about three years -- 事实上,好奇号探测车,在火星表面上漫游已经有三年了 has really shown us that it's sitting in an ancient river bed, where water flowed

发表于:2019-01-18 / 阅读(39) / 评论(0) 分类 TED演讲科学篇
学英语单词
accomplished offender
acroliths
amikhellin
application virtual machine
ardanza
arrived
average sale expectancy
bank-related broker
boiler compartment
cabby
carbonera de frentes
Carlo Springs
carried down
CCEB
ceglie
Chibāng
Chirita ronganensis
combined diesel-electric and gas turbine
compile-time description
complete matrix algebra
cove skirting
curve tracer
discharge valve cage
DPGP
Echinochloa crusgalli
eddy displacement current
evel
face-to-face duplex tapered roller bearing
felt-tipped pen
Flatwillow
force draught cooling tower
foreshock
From the Past
funambulates
germanicus caesar
globate glands
glycovariants
halfcock
huayno
improve the occasion
irreducible algebraic eqation
kakonis
karpovtsev
kilo-newton
leukomyelitis
levanters
lignel
liquid air and nitrogen subcooler
lovablest
lumped-impedance
magnetic multi-shot survey instru ment
mechanical heading machine
Method of Chain of Causes
mill-head grade
muconda(nova chaves)
multi thread worm
necclygency
network-attacheds
noise protector
non-replaceable
ogac
ophichthys apicals
outdated building
outrs
overstamps
owona
parotis laceritalis
passe-
peak-load
petit point.
prairie sages
principle of absolute advantage
prokaryotic gene
puccinia scirpi-mucronati
re-constriction
re-investigation
rustic ware
Saussurea schanginiana
security income and expense
semi-automatic hob grinder
shoots down
shoove
Stipagrostis pennata
Sunipia hainanensis
tapetum cell
tavakoli
three way type
TMP-SMD
to the max
toffee-noseds
tripartite concave grating
tuberculoses
turnip sawflies
twiddling string
twisting around
two-shoe brake
two-storeyed corridor
uppergrowth
ventricular asystole
vesica-piscis
whympel