音标:[ˈaiən ˈkɑ:bən] ;
铁碳合金

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

Lesson 4 Black-lead 第四课 黑铅 What is the black-lead in your pencil made of? If you take a bit of the metal which we call lead, you will find that it is grey in colour, very heavy, and not at all like the black-lead in your pencil. But the lea

发表于:2018-12-18 / 阅读(33) / 评论(0) 分类 英国学生科学读本

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

When it comes to sheer celestial bling, stars might not corner the market on twinkle, because beneath their rocky exteriors, some terrestrial planets may be half diamond. So said scientists at the fall meeting of the American Geophysical Union. The r

发表于:2019-01-08 / 阅读(45) / 评论(0) 分类 Scientific American(十二)月

Showcase of 155 films offers fresh perspective on green, climate change issues Penelope Poulou | Washington, DC 26 March 2010 Photo: Esben Hardt/Ace Ace If global warming continues at the same rate as today, by the end of this century, the Arctic cou

发表于:2019-01-13 / 阅读(37) / 评论(0) 分类 VOA标准英语2010年(三月)

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
accardo
acetbromanilide asepsin
active code
Agrippina, the Younger
Airds Point
Appendix fibrosa hepatis
aquadag coating
aquation
assistant
ateria gastrica dextras
axites
bannian
base of leaf
bauxite chamotte
be more to sth than meets the eye
bioinstrumentation
Bit of Spare
Brassica alba
break out into assholes
busbar for fuel pump roller
cochlearine
cosmographic
cramp bark
crawful
CRBP
crease recovery angle
crossover operator
dies plate tap bolt
dustpan suction tube
emirates airline
endotcric bacterium
eutectoid carbide
extended quantification
feed through document copying machine
fiagellate
focal tuberculosis
gas flow pattern
gentilicium
genu
geophysical year
guardian's right to custody of ward
hammerheads
have bats in the belfry
Heliastraea
house-prices
ice-cream parlour
interval running
Kensington
korea bays
krupuk
light-coupled device
lymphoid leucosis
mastoscirrhus
mechanical character
Merged cell
milometer
motion time study
multifunction instrument
N. & P.
net sales to inventory
neurobiophysics
niebuhr
off-the-shelf integrated circuit
oil repellent finishing
omnipotents
on the same lines
palaeotheriids
pasty propellant rocket engine,pasty propellant rocket motor
Penhir, Pte.de
phase tranformation point
price after tax
reciprocal law failure
safety bolt catch
scatter pins
sclerosing agent injection therapy
secondary piping
self-congratulation
Shawia
silicon bench
sir robert robinsons
slave labor
slopshop
snapsauce
soldier's home
suction-manifold
sunken forecastle deck
suretyship obligation
system error variance
telephone survey
TH3624
time-poor
Timor Trough
transporting
twin-screw conveyor
uniformly stratifiedflow
unintricated
video conferencing
wall ratio
wate resources
wave the bloody shirt
Weberian ossicle
wecht