火花加工焊条

If you know anyone who is deaf, then you know the cochlear implant has offered hope and help for some people. This next story may be the equivalence where restoring sight is concerned. While the science is very different and very tricky, the promise

发表于:2018-12-11 / 阅读(110) / 评论(0) 分类 万花筒2009年

Universal Instrument traces its roots to the Universal Instruments and Metal Company, a safety pin manufacturer founded in 1919. Through time, the company discontinued safety pin production and made a transition to a machining and tool and die busine

发表于:2018-12-18 / 阅读(114) / 评论(0) 分类 林超伦实战口译练习笔记

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. When it comes to pain, its the thought that counts. Because pain hurts more when its inflicted on purpose. Or so say researchers from Harvard University

发表于:2018-12-24 / 阅读(116) / 评论(0) 分类 Scientific American(十二)月

Tree Electricity Runs Nano-Gadget A report in the journal IEEE Transactions on Nanotechnology shows that maple trees generate a small, but measureable amounts of electricity, which can power tiny devices. Karen Hopkin reports If scientists have thei

发表于:2019-01-02 / 阅读(199) / 评论(0) 分类 60秒科学

By Lisa Bryant Paris 17 September 2007 This week, the World Bank is launching an unusual initiative to get Africans living in Europe to invest back home - through a competition, complete with cash prizes, for the best development projects targeting s

发表于:2019-01-07 / 阅读(180) / 评论(0) 分类 2007年VOA标准英语(九月)

By Nick Wadhams Nairobi 25 September 2007 Plans for a sugar factory in Kenya's Tana River Delta have ignited a bitter dispute between conservation groups and economic officials. As Nick Wadhams reports from Nairobi, opponents argue development could

发表于:2019-01-07 / 阅读(212) / 评论(0) 分类 2007年VOA标准英语(九月)

If scientists have their way, we may someday be tapping maplesnot for pancake fixins, but for power. Because researchers from the University of Washington in Seattle have found theres enough electricity flowing in trees to run an electronic circuit.

发表于:2019-01-08 / 阅读(142) / 评论(0) 分类 Scientific American(九)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(161) / 评论(0) 分类 英文语法词汇

Bionic Arm Can Move, Feel Scientists are developing an entirely new type of prosthetic arm and hand that allows a patient to regain not only movement, but also the sense of touch. American soldiers who have lost limbs in the wars in Afghanistan and I

发表于:2019-01-14 / 阅读(157) / 评论(0) 分类 VOA标准英语2011年(四月)

Brain Researchers Uncover Secrets of Memory In Memorial-Hermann hospital at the University of Texas Medical Center in Houston, Neurosurgeon Nitin Tandon visits 26-year-old epilepsy patient Tyler. Dr. Tandon has placed platinum electrodes on the surfa

发表于:2019-01-14 / 阅读(113) / 评论(0) 分类 VOA标准英语2013年(二月)

By Trish Anderton Bali 05 December 2007 At the U.N. conference on Global Climate Change in Bali, the early talk has focused on whether some of the major developed countries will commit to cutting greenhouse gas emissions in the coming years. European

发表于:2019-01-27 / 阅读(147) / 评论(0) 分类 VOA常速英语2007年(十二月)

By Derek Kilner Nairobi 21 November 2007 Kenya's Electoral Commission is hearing complaints from candidates who failed to secure their parties' nominations for parliamentary elections, scheduled for December 27. As Derek Kilner reports from Nairobi,

发表于:2019-01-31 / 阅读(170) / 评论(0) 分类 VOA常速英语2007年(十一月)

By Anjana Pasricha New Delhi 02 May 2008 In India, controversy has erupted around foreign cheerleaders brought in to provide entertainment for a newly-launched cricket tournament. As Anjana Pasricha reports from New Delhi, many of the cheerleaders ha

发表于:2019-02-02 / 阅读(158) / 评论(0) 分类 VOA标准英语2008年(五月)

By David McAlary Washington 13 July 2006 We often hear that imagining something will not make it so. But scientists have now overturned that adage, making a science-fiction dream come true. U.S. researchers have shown that a paralyzed patient can us

发表于:2019-02-03 / 阅读(200) / 评论(0) 分类 2006年VOA标准英语(七月)

今天我们要学的词是spark。 Spark, 作为动词,意思是导致,引起。纽约市和罗德岛最近先后通过了允许同性恋结婚的法律。 The trend of legalizing gay marriage sparked an intensive debate over the meaning of marr

发表于:2019-02-08 / 阅读(145) / 评论(0) 分类 英语单词荟萃

I still believe by Mariah Carey You look in my eyes And I get emotional inside I know it's crazy but You still can touch my heart And after all this time You'd think that I Wouldn't feel the same But time melts into nothing And nothing's changed I st

发表于:2019-02-08 / 阅读(150) / 评论(0) 分类 好听的英文歌曲

TVs are more useful than radios. From TV you can see and hear what is happening in the world. However, radios are not disappearing. They are still with us. And the number of listeners is becoming larger. Do you know why? One reason for this is the in

发表于:2019-02-13 / 阅读(170) / 评论(0) 分类 英语作文

Science and technology 科学技术 A mind to walk again 一个让残疾人重新站起来的伟大想法 A trial of thought-controlled robotic legs is taking its first steps 用思想控制的机器人腿已经开始研制 ANYONE who saw Claire Loma

发表于:2019-02-16 / 阅读(131) / 评论(0) 分类 经济学人科技系列

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(189) / 评论(0) 分类 实用英语

模仿文本: Brandy, speaking there, had suffered from a severe depression resistant to all previous forms of treatment. So had Andrea, whom you heard before her. John, by contrast, has a quite different illness, Parkinson's disease. But all three

发表于:2019-02-23 / 阅读(351) / 评论(0) 分类 英音模仿秀
学英语单词
accordance
acetidine
acre foot
Ad Sala
advance support
after deadwood
amino-methyl-propanediol
analytic schedule
bajadas
barium bioxalate
bgea
broad ray
brown line process
CANSOFCOM
celebes
compact fluorescent light
computer-linkeds
cordwood
cornwalli
credit-market
cubomancy
de-ethnization
delirement
derrick fall
diesel engine technology
discharge-tube rectifier
dured
dustjacket
ecphora
ectropometer
equal share
factory-level accounting
family sclerotiniaceaes
foul weather
Frank-Rabinowitch effect
fuzz
geometric splines
goscinny
gravemounds
guality
hand brake lever sector
have your knife into sb
Holmskioldia
hulst
hydraulic rail bender
inferior breed,rogue
island biogeography
kerogen
land clutter
Lebanese Republic
level of expertise
material purchase
MCO2
medium hypermetropia
messenger rna (mrna)
Mishvan'
Mitreola petiolatoides
mobbed-up
monographer
Mourne Mountains
necessitater
Neodevomit
neurolecithin
parallel pipe thread
partial-immersion thermometer
patrinia scabiosaefolia link
Pedicularis salicifolia
potential flow theory
prebuffering
preparatory cut
pressure for money
priggish
primary breccia
primary compound
rated output current
refundable mortgage bond
retail mark-up
rhdium trichloride
right division algorithm
rubber insulated wire
secondary dominant chord
shielded magneto
skate skiing
skeuomorphism
social jetlag
sound-track engraving apparatus
speaks
subroutine tape
superpositionings
swoop (down) on
three-parameter logistic model(3-pl model)
thyroneural dystrophy
tidal stencils
tonos
trimeresurus gramineus formosensis
TU (tritium unit)
tumor of kidney
utility frequency of word
Vaisnavara
violenza
wave at
wind shear detection system