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(171) / 评论(0) 分类 VOA2003(下)-发展与科学

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(89) / 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(63) / 评论(0) 分类 有声杂志阅读

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(54) / 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(72) / 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(51) / 评论(0) 分类 农业与发展
学英语单词
aerotriangulation
aluminium tris(ethylphosphonate)
aluminum solder
Ammotrechella
anaerobic Petri dish
annual budget estimates
astatizing
beef loins
bladder triangle
bronchiolitis obliterans
Bunt-cure
bush administrations
call control procedures
carbon nanofibers
cautioning
coalfired
com-plained
comfort and compensate
compressed asbestos sheet
constant ratio transmission
coteaus
crimsoned
devirginates
dipalma
distributed mass system
dose protraction
e-goods
Eir.
eoderoceratids
exadverse
factory-made component
flexion surface
fuants
genius familiae
glassfiber sleeve-springs
goalbox
grainline
hard-type hog
headsize
homoiosmotic animal
honeybrook
instanceable
insulating-glove cover
inter-mesh
intervigilate
joint authors
kenneth david kaundas
khabars
kit reliability
Kǔmsǒng-ri
Ladogisian
Look-to-buy ration
macrocephenchelys brevirostris
make an offer
Miguel de la Borda
Naftifungin
name-recognition
nondefoliating
nonorthogonal
nourishest
odorised
ohelo
old China hand
open-skill-dominated
pendulum machine
pipe alignment
polypeptid(e)
production piece
pungent sauce
radioactive logging equipment
respiratory infectious disease
result output logical unit
Salzer's test-meals
Sanfilippo syndrome A
set-top
sharr
small tortoiseshells
smucking
South Hājipur
staphyloncus
static absorption
Stavropolka
sugar cubes
super girls
suspenders
technology shocks
tera-farads
thabors
the swiss
the-great
thecal plate
third man
three-terminal circulator
two reaction method
tzitzis
unlimb
vesuvine R
viewgraphs
water pump factory
wuxia
Young Men's Hebrew Association