有色金属焊条

By Gary Garriott Broadcast: November 3, 2003 This is Steve Ember with the VOA Special English Development Report. People have been recycling metals for hundreds of years. Today, re-using metal waste o

发表于:2018-12-01 / 阅读(297) / 评论(0) 分类 VOA2003(下)-发展与科学

executive coke cling clearing universally temperament ferrous conceive customary cartridge set rip second dwell flake instrumental reproduction goddess displacement vicinity patent

发表于:2018-12-01 / 阅读(185) / 评论(0) 分类 用Mp3背六级单词

morality influence undertake bonus excess vault pudding howl move thigh enterprise icy melody tribute intelligible hurl cavity portray cordial conscientious quantify electrode nose cite

发表于:2018-12-01 / 阅读(190) / 评论(0) 分类 用Mp3背六级单词

This is Scientific American's sixty seconds science, I'm Christopher Intagliata. Got a minute? Instead of installing solar paint on your roof how about just giving a house new paint job of cause you'd have to sure to use solar paint. That's what to a

发表于:2018-12-02 / 阅读(186) / 评论(0) 分类 Scientific American(十二)月

Bacteria Discovered To Recharge Cell Phone A microbe called Rhodoferax Ferrireducens,found in the mud at Oyster Bay,Virginia,has been discovered to transfer electrons directly onto an electrode

发表于:2018-12-18 / 阅读(148) / 评论(0) 分类 有声杂志阅读

Time for M.I.T.s Clean Energy Prize. The annual competition gives teams of university students a chance to compete for $200,000 to kick-start their new clean energy business. One finalist designed a compression technology for natural gas wells that w

发表于:2019-01-02 / 阅读(359) / 评论(0) 分类 60秒科学

DEVELOPMENT REPORT - Recycling Scrap Metal Into MoneyBy Gary Garriott Broadcast: Monday, July 31, 2006 This is the VOA Special English Development Report. People have been recycling metals for hundred

发表于:2019-01-02 / 阅读(150) / 评论(0) 分类 2006年慢速英语(七)月

This is Scientific Americans 60-Second Science. I am Cynthia Graber. This will just take a minute. Solar panels typically convert sunlight into electricity or heat. But photosynthetic vegetation converts sunlight into chemical energy. Now M.I.T.s Dan

发表于:2019-01-04 / 阅读(173) / 评论(0) 分类 Scientific American(八)月

DEVELOPMENT REPORT - Reusing Metal Waste Provides Work For Many in Developing Countries By Gary Garriott Broadcast: Monday, April 04, 2005 I'm Gwen Outen with the VOA Special English Development Repor

发表于:2019-01-30 / 阅读(154) / 评论(0) 分类 农业与发展
学英语单词
actual specification
afterstain
Archenite
Baikalian orogeny
bar drawing
basic polyester
basivalvula
bavant
blog roll
boxload
breakle
byrnstone
Champtercier
charging connection
cholinoreceptor
classfication
consumably melted
country of refuge
dam construction survey
desectionalize
drain stem
echo image
extraduty glaze
ferroelectric domain wall
fine balance
foibas
FTS Federal Telecommunication System
gracilis muscle
Gusevsk
high-frequency voltage
hobble chain
hydraulic moulding machine
in mem.
invalidated bonds
Kayar
Kuajok
logical approach
loungest
main processor
Mantoux tests
material master file
melon cultivation
merchandising trading account
methylpentynol
misjustice
module instruction
moves out
multistratum management system
nacaduba kurava therasia
neftali
neocentric (rhoades & kerr 1949)
neogothic
Net present value rule
neurorrhaphy of median nerve
Nitromack
nonsugary
oosparrudite
orthenine
paranucleoli
personnel requisition
photoacoustic spectroscopy
physical second
piezoelectric charge
plays down
plexus cavernosus
polynomial with nonnegative coefficients
poma
practical supporting capacity
prolife
prostatites
quarters of refreshment
ripple through
rotary evaporator
secular cycle
servotype function generator
set-accelerating additive
shear wave
slave oscillator
spray unit
sputs
sql-like language
stevedoring barge
striae nasi transversa
take drugs
tastive
terminal unsaturation
tool bag
trailership
truesdell
twinned material
two side mosaic
Una boats
under-performing
underidentification
utest
utility storage
uwb
watch time
waterborne preservatives
ziphoide
zubizaretta