翻转式双向犁

Prototype Solar Cars Train Future Alternative Energy Experts JOHANNESBURG In South Africa, students at the University of Johannesburg have taken on the challenge of building their own solar cars and racing them in competitions. While it offers plenty

发表于:2018-12-08 / 阅读(111) / 评论(0) 分类 VOA常速英语2013年(十二月)

By John Shields Washington, DC 28 February 2006 watch Food vs Fuel report With the world's oil supply increasingly at risk of terrorist attacks and other disruptions, there is an international rush to

发表于:2018-12-16 / 阅读(188) / 评论(0) 分类 2006年VOA标准英语(二月)

This is Scientific Americans' 60-Second Science. Im Steve Mirsky. Got a minute? The search for alternative fuels to gasoline has led to surprising possibilities, for instance, the waste oil for making French fries. But one of the most unusual alterna

发表于:2018-12-24 / 阅读(130) / 评论(0) 分类 Scientific American(一)月

place n.地方;名次;地位;寓所 vt.放置 plain n.平原,旷野 a.明白的;朴素的 plan n.计划,打算;平面图 v.计划,打算;设计 plane n.飞机;平面;水准,水平 planet n.行星 plant n.植物,作物;工厂

发表于:2018-12-30 / 阅读(173) / 评论(0) 分类 大学英语四级词汇拼读版

When the wind picks up at the foot of the Rockies, there are those who believe they can hear the future. At the National Renewable Energy Laboratory, making alternative power sources competitive with fossil fuels has been a mission since the energy

发表于:2018-12-30 / 阅读(145) / 评论(0) 分类 国家地理2008年

Cats and Man Cats struck a bargain with 1 man about 5,000 years ago when he shifted from a nomadic 2 to an agrarian 3 society. As man began to farm, he stored grain. The grain attracted rodents 4 , wh

发表于:2018-12-30 / 阅读(217) / 评论(0) 分类 英语沙龙2004全年合辑下

This week well discuss choices about how best to use the words option and alternative. Frequently the words option and alternative are used interchangeably, but there is a difference. Do you know what it is? Lets say Horatio has a primary plan of act

发表于:2019-01-02 / 阅读(138) / 评论(0) 分类 英语语法 Grammar Girl

So it began to occur to me: during this long extension of the precommitment stage, 于是我突然想到:在这个长期婚前准备期, if you can get rid of bad relationships before you marry, maybe we're going to see more happy marriages. 如果

发表于:2019-01-03 / 阅读(152) / 评论(0) 分类 TED演讲科技篇

By Katherine Cole Tres Chicas is a rarity on the music charts: A vocal group in which all three singers are frontwomen in their own right. And don't get ready to rumba, because despite their Latin nam

发表于:2019-01-07 / 阅读(166) / 评论(0) 分类 VOA2004(下)--文化艺术

By Brian Padden Washington 25 December 2007 With virtually no oil or natural gas resources of its own, Germany relies on Russia for 20 percent of its oil and one-third of its gas imports. But with Russia displaying a willingness to use oil as a polit

发表于:2019-01-07 / 阅读(114) / 评论(0) 分类 VOA常速英语2007年(十二月)

By Jim Fry Washington, D.C. 26 February 2007 watch Energy report President Bush is looking for new ways to encourage the use of alternative energy, and Democratic Party leaders who control Congress appear to be only too ready to comply. That leaves

发表于:2019-01-12 / 阅读(171) / 评论(0) 分类 2007年VOA标准英语(二月)

By Mike O'Sullivan Los Angeles 01 March 2006 Windmills in California Windmills are sprouting across the United States, as Americans search for non-polluting alternative energy sources. The West Coast

发表于:2019-01-13 / 阅读(198) / 评论(0) 分类 2006年VOA标准英语(三月)

President Barack Obama says the United States should depend more on so-called clean forms of energy, like wind and solar, and less on oil. The president promoted his alternative energy plan on an Earth Day visit to the central state of Iowa. Preside

发表于:2019-01-13 / 阅读(139) / 评论(0) 分类 VOA标准英语2009年(四月)

Farmers Urged to Throw Plow Away Since the dawn of agriculture, tilling the soil has been fundamental to farming. But today, experts say this age-old practice may do more harm than good, at least in some places. That's why they've been telling farmer

发表于:2019-01-13 / 阅读(166) / 评论(0) 分类 VOA标准英语2011年(十一月)

China's energy production relies heavily on coal-fired power stations. As the world's highest emitter of greenhouse gasses, China consumed more than 400 million tones of coal last year. As many parts of China have been shrouded in a gray haze over th

发表于:2019-01-19 / 阅读(139) / 评论(0) 分类 英闻天下

By Jerilyn Watson Broadcast: July 17, 2003 This is Bill White with the VOA Special English Education Report. Some young people in the United States attend 1)alternative schools. These are schools that

发表于:2019-01-20 / 阅读(251) / 评论(0) 分类 VOA2003(下)-教育与新闻

By Gary Thomas Washington 09 February 2007 The controversy over the Bush Administration's pre-war intelligence on Iraq was further fuelled Friday by an internal Pentagon critique of the work of a little-known Defense Department office. As VOA corresp

发表于:2019-02-03 / 阅读(160) / 评论(0) 分类 2007年VOA标准英语(二月)

1.Think Two Steps Ahead 第一招:先想一步 I've never met a boss who doesn't love proactive employees. Instead of waiting around for instruction, take it upon yourself to hop on what you expect comes next。 我从未见过老板不喜欢工作积

发表于:2019-02-09 / 阅读(141) / 评论(0) 分类 实用英语

今天我们要学的词组是plow into。Plow into,意思是大力撞击。 At least 13 people have died after a van plowed into pedestrians in the center of Barcelona on Aug 17th in what police said was a terrorist attack. 8月17日,一辆厢式货

发表于:2019-02-24 / 阅读(208) / 评论(0) 分类 英语单词荟萃

今天我们要学的词是 alternative. Alternative 作为形容词,意思是另外的,可以用于替代的。Stephen Hawking predicts that planet Earth will only survive another 100 years, and it's urgent to consider an alternative planet. 霍金

发表于:2019-03-07 / 阅读(196) / 评论(0) 分类 英语单词荟萃
学英语单词
Acer pubinerve
adrenal apoplexy
adventitious tubule
alkaline digestion
american personnel and guidance association
anti-racialization
antiplasticizer
aphemic
atomed
authorized terms
auxiliary safety device
baltzs
Bashovo
be of no help
bely-landing
blanket weed
Boschniakia
Centrifugal Fans
checkrows
chemical capacitor
chilo suppressalis (walker)
circulating cable
citizette
congenital umbilical hernia
Countisbury
credit-reporting
cut the record
cyclenes
cynolatry
daphniphyllum membranaceum hay.
day-fine
debilite
deck watch
drill assembly
dusicyons
dust-laden air
Efficient surface
erection report
ferricyanide-nitroprusside
fractured porosity
gas protection glove
general articles
Giant's Causeway
glue to
Guaritire, R.
gubo
guntha
gyromele
have the edge over
inconsequency
intergeneric cross
isolation mean
joint communication center
kavari
king eiders
koger
Kolonowskie
line dry
lining segment of structural steel
liquidating
Lysimachia baoxingensis
measuring pressure
medical squadron
men-of-all-work
morcillas
mycelian
non-performance of contract
nonpolar linkage
open circulation
parameter of consistency
potential capillarity
radioactive decay rule
reckoner
reference defect
rekeyboards
relaxest
resected point
retrolingualis
riverward
series mode voltage
set of bills
shoot a glance at
single-points
sink like a stone
softloaded
sorptionextraction
steam ga(u)ge
stepped cup
subexcitation electrons
T.P.N.D.
test recipe
theory of differential equations
total osmotic pressure
tuberosity of calcaneus
two-dot chain line
vacuum wave number
water crow
waxeth
West Nanticoke
wooly-minded
zero gravity effect
zoapatanol