旋转液压机械

Do you need eight glasses of water everyday? Tring to do the right thing by drinking eight full glasses of water everyday may do little more than making a person run to the bathroom, a researcher said. Newspaper articles, health and beauty magazines

发表于:2018-12-05 / 阅读(91) / 评论(0) 分类 有声杂志阅读

Conditions on Mars were so harsh that it was hard to imagine any life surviving there. The idea of sophisticated aliens was wiped out. We know that conditions on Mars today are not very good for life.

发表于:2018-12-07 / 阅读(78) / 评论(0) 分类 火星生命

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(64) / 评论(0) 分类 VOA2003(上)-健康资讯

This is Scientific Americans -60 seconds science .I'm Steve Murskey.Got the minute? People with high blood pressure are often told to watch the salt, and it's long been far that hypertension related to excess salt is caused by the salt increasing in

发表于:2018-12-24 / 阅读(69) / 评论(0) 分类 Scientific American(一)月

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(53) / 评论(0) 分类 科技之光

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. In theory, scientists could learn a lot about our health by testing tiny amounts of bodily fluidsa drop of blood, a tear, a bead of sweat. But somethin

发表于:2019-01-08 / 阅读(105) / 评论(0) 分类 Scientific American(十一)月

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(83) / 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(88) / 评论(0) 分类 Scientific American(十二)月

金属切削 metal cutting 机床 machine tool 金属工艺学 technology of metals 刀具 cutter 电路 circuit 半导体元件 semiconductor element 反馈 feedback 发生器 generator 直流电源

发表于:2019-01-08 / 阅读(105) / 评论(0) 分类 英文语法词汇

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(80) / 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(66) / 评论(0) 分类 VOA慢速英语2008年(一)月

SCIENCE REPORT-January 10, 2002: New Glaucoma Treatments By Nancy Steinbach This is the VOA Special English Science Report. Sixty-seven-million people around the world cannot see because they suffer f

发表于:2019-01-23 / 阅读(129) / 评论(0) 分类 科技之光

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(180) / 评论(0) 分类 有声英语文学名著

flow vi.流,流动 flower n.花,花卉;开花 flu n.流行性感冒 fluctuate vi.波动 vt.使波动 fluent a.流利的,流畅的 fluid n.流体,液体 flush n.兴奋,脸红;发烧 flute

发表于:2019-02-01 / 阅读(325) / 评论(0) 分类 考研英语

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(104) / 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(92) / 评论(0) 分类 实用英语

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(69) / 评论(0) 分类 TED演讲国际问题篇

后角 clearance angle 龙门刨削 planing 主轴 spindle 主轴箱 headstock 卡盘 chuck 加工中心 machining center 车刀 lathe tool 车床 lathe 钻削 镗削 bore 车削 turning 磨床 grinder 基准 benchmark 钳工 locksmith 锻 forge 压模

发表于:2019-02-18 / 阅读(118) / 评论(0) 分类 实用英语

A 104 year-old woman was being interviewed by a reporter: And what do you think is the best thing about being 104? the reporter asked. She simply replied, No peer(窥视)pressure.

发表于:2019-02-18 / 阅读(112) / 评论(0) 分类 趣味英语

My friend Sarah is a vet. I have asked her to tell us about a typical days work. I am a veterinary surgeon and work for a charity called PDSA, which stands for the Peoples Dispensary for Sick Animals. We treat pets belonging to people who are on stat

发表于:2019-03-01 / 阅读(127) / 评论(0) 分类 听播客学英语
学英语单词
Allium omeiense
Alpujarra
Amomum xanthioides Wall.
amplifying medium
auxiliary grounding
Bataszek
be a failure
Berteroella
building-block
burning rate coefficient
butoben
catskill mts.
cirro-velum
clockwise drive
conoidal wave
construction plant
consumer-credit
desmonds
detraditionalization
Digitaria heterantha
direct-connect modem
dominant colour
double face(d) pile
drott
dubbing mixer
dummy array name
dumplings in soup
enclosement
estragons
Ethernet LAN port
Eurocentric
excurrency
fair assessment scheme
fairycakes
family Laridae
finished goods
flickering lamp
fluid-controlled valve
for show
general merchandise store
go to considerable leng
Gothic alphabet
hamamelis vernaliss
healthy seedling
high-latitude
horizontal-chamber oven
Hostaginan
hydraulic control circuit
hydropsyche formosana
indalone
integrated catalog facility
lacquered cable
load gradient
love apple
luggage boot
make fire
matriz
meatarian
medico
Mount Elbert
nagha kalat
neutralizing hydrolysis
no matter which
on a cloud
one-bathroom
particulars of ship
peanut galleries
peculiarity
pendulum fibroma
poblado
posthumed
Proletariy
Prunus armeniaca
R-43512
regio perilymphatica
replaceable cutter tooth
rewness
rigid shear lugs
round off sights
rudget
seal-brown
serop
sex ratio
ship deck
skinned
small timer
snipebill
span of vault
stares
stylings
sub-worlds
sunridge
technical advice
thalphenine
thiphenamil
three-phase low frequency welder
throwins
to blow it
tunneling cryotron
turret defilade position
unbalanced mixer
wood-file