旋转气动工具

Without air, there would be no fire. There would be no cars or trucks, since motors need air in order to work. Without air, there would be no wind or clouds. There would be no weather, as we know it.(

发表于:2018-12-01 / 阅读(275) / 评论(0) 分类 自考英语(一)78讲

Broadcast: January 14, 2003 By Jill Moss VOICE ONE: This is Phoebe Zimmerman. VOICE TWO: And this is Bob Doughty with Science in the News, a VOA Special English program about recent developments in sc

发表于:2018-12-07 / 阅读(147) / 评论(0) 分类 VOA2003(上)-健康资讯

Intelligent Crows Use Tools What do otters, chimpanzees, and one species of crow have in common? All three are animals. They also use tools. Scientists have long known that a crow native to New Caledonia is able to use tools. The birds use them to re

发表于:2018-12-16 / 阅读(115) / 评论(0) 分类 2016年VOA慢速英语(九)月

Chuck: Just remember that we have a lot to accomplish today, so lets just get what we need and go, okay? Ayaka: Sure, we just need a few tools for our DIY project. The power tools are over there. Chuck: Whoa, were not getting power tools. We just nee

发表于:2019-01-01 / 阅读(130) / 评论(0) 分类 地道美语播客

SCIENCE IN THE NEWS - Saying Goodbye to Polio: Not There Yet, but Close By Karen Leggett and Cynthia Kirk Broadcast: Tuesday, December 27, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS in VOA Sp

发表于:2019-01-02 / 阅读(106) / 评论(0) 分类 科技之光

Matt and his wife lived in the country. Matt was very stingy and hated spending money. One day a fair came to the nearby town.

发表于:2019-01-03 / 阅读(253) / 评论(0) 分类 英汉幽默故事选读

To do a job right, you need the right tools. Even a chimp knows that. According to a study in the American Journal of Primatology, chimps in the Congo use multiple tools to capture army ants. Youve probably seen footage of chimps using sticks to har

发表于:2019-01-07 / 阅读(172) / 评论(0) 分类 60秒科学

Cooking is one big science experiment and chefs have been gaining fame for more explicit uses of scentific techniques and tools in the kitchen. Now, according to an article in the December issue of physics world, mixologists the folks behind the bar

发表于:2019-01-08 / 阅读(136) / 评论(0) 分类 Scientific American(十二)月

Cooking is one big science experiment. And chefs have been gaining fame for more explicit use of scientific techniques and tools in the kitchen. Now, according to an article in the December issue of Physics World, mixologiststhe folks behind the bara

发表于:2019-01-08 / 阅读(147) / 评论(0) 分类 Scientific American(十二)月

SCIENCE IN THE NEWS - Fight to End Polio a Story of Unexpected Problems, but Also Progress Over the years, polio experts have had to learn to deal with surprises. Transcript of radio broadcast: 03 March 2008 VOICE ONE: This is SCIENCE IN THE NEWS in

发表于:2019-01-11 / 阅读(139) / 评论(0) 分类 VOA慢速英语2008年(三)月

This is the VOA Special English Development Report. Sometimes it takes an engineer to help a village. In poor communities, that help may come from volunteers with a group called Engineers Without Borders. A civil engineering professor in the United

发表于:2019-01-11 / 阅读(112) / 评论(0) 分类 VOA慢速英语2008年(一)月

Buying Tools at a Hardware Store Chuck: Just remember that we have a lot to accomplish today, so lets just get what we need and go, okay? Ayaka: Sure, we just need a few tools for our DIY project. The power tools are over there. Chuck: Whoa, were not

发表于:2019-01-23 / 阅读(236) / 评论(0) 分类 2013年ESL之日常生活

It Can't Happen Here by Sinclair Lewis Chapter 10 While I hate befogging my pages with scientific technicalities and even neologies, I feel constrained to say here that the most elementary perusal of the Economy of Abundance would convince any intell

发表于:2019-01-26 / 阅读(253) / 评论(0) 分类 有声英语文学名著

DEVELOPMENT REPORT – July 29, 2002: Tools for Development By Jill Moss (Photo -CARE) This is the VOA Special English Development Report. Building things or making clothes can be difficult in develop

发表于:2019-01-30 / 阅读(167) / 评论(0) 分类 农业与发展

oil field 油田 wildcat 盲目开掘的油井 percussive drilling 冲击钻探 rotary drilling 旋转钻探 offshore drilling 海底钻探 well 井,油井 derrick 井架 Christmas tree 采油树 cr

发表于:2019-02-03 / 阅读(163) / 评论(0) 分类 英文语法词汇

Christmas in America means different things to different people. To some people, Christmas means brightly wrapped packages under a decorated tree. To others, it means family reunions and a wonderful meal together. To Christians, it means Jesus' birth

发表于:2019-02-08 / 阅读(163) / 评论(0) 分类 实用英语

I Need Air Magnetic Man Electrify my body And you're makin' me feel Like I'm so electric Everything you do is makin' me Blow Blow Blow Don't know what to do about it Can't see how I'd live without it All I wanna do is just Know Know Know You suffocat

发表于:2019-02-11 / 阅读(165) / 评论(0) 分类 好听的英文歌曲

Now look, I'm a technology fan, but I have to admit to you all I'm a little old. 我是一个技术发烧友,但我得承认我年纪是大了点。 So I was a little slow, and I did not trust technology, and when they first came out with those new

发表于:2019-02-13 / 阅读(114) / 评论(0) 分类 TED演讲国际问题篇

Matt and his wife lived in the country. Matt was very stingy and hated spending money. One day a fair came to the nearby town. Let's go to the fair, Matt, his wife said. We haven't been anywhere for a long time.Matt thought about this for a while. He

发表于:2019-02-18 / 阅读(204) / 评论(0) 分类 趣味英语

今天我们要讲的习惯用语都有air这个词。大家都知道air是空气。早在十七世纪,意大利科学家伽利略发现空气似乎没有实质却有重量。后来人们进一步发现高山顶上的空气要比海平面上的空气

发表于:2019-02-18 / 阅读(214) / 评论(0) 分类 美国习惯用语
学英语单词
3H-DHA
adenoviruses
affrontous
agglomerated flux
aluminum busbar
antisubmarine suport aircraft carrier
apparent equilibrium
arbeau
beer-lambert's rule
bi-state
boom heel block
brite
bush chain
capacitance unbalance protection device
conditioned satiey
daee
David Glacier
de-asphaltizing
deenergisation
diphenylene-oxide
discotic phase
donilon
downscale protection
dumlu dagi
enclosed track type switchboard
errorists
falling duet
falling market
fast coupling
femalish
flue liner
forced burning
forensics
formylation
fromia
full service reduction
gear burr machine
get on sb's nerves
grave-dancing
great person theory
greetingless
gymnopaedic
heartist
heteromyids
honeycomb in concrete
horizontal sorting
hydroatmospheric
ice-water path
Immunization strategy
import foreign goods
imta
in the cut
inclination pitch
infraglacial
instrument observation
Judea
kitscher
last access
Law Commission
lubricating oil temperature
mackintoshite
magnetoreceptive
mercuric ballast
miling
military versatility
monitorless
Mvangan
n-nitroso
noise-power measurement
noncontractual claims
nonreset counter
outsentries
ovist
perichondral bone
Piedimonte Etneo
pinking irons
pressure cookers
prototyping component
quick defrosting
range transmitter
Rateau turbine
re-embrittlement
Rychwał
samite
scanning sonobuoy
scientific interest
scratcher chain saw
screen ruling
selectron storage
serotypeable
slave-makers
sodium lauryl ether sulfate
straight-side slot
styrylpyrones
sweep frequency
Tamul
the Queen Mary
u.p.
untrimmed floor
WAGR syndrome
zero of measuring instrument