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
accidental survey
advancing
arzinomycin
auxiliary component
bake ware
basinasal
benzophenone-4-arsonic acid
berondrite
Bessel Fd.
black hole neighbourhood
bog moss pine forest
brachythecium sakuraii
brine liquor
cabinet-makings
carpet looms
center owncoding routine
chemical addition tank
cleaning rubber
close-over
coinvestigated
commutative relations
cone plug
darkening towards the limb
depleted in uranium-235
detached core
disk oriented system
drag load
electron collimating magnet
electronic excited state
extensible style language transformation
extension clerk
extrarenal
feed water treatment pump
fibrillating
flexible fixing
Fundamental Catalogue
galaxywide
gene mutation rate
goal programing
greenspotted
guided-missile ship
HAb18G
harbin institute of technology
harmful constituent
Hennebert's sign
hot loading
Ichthammonium
incremental movement
individual chip package
interlocking zone
iron loss per unit weight
isolated core transformer
Jerez del Marquesado
kataphatically
Katay Don Sasorith
Kefar Monash
Kolybel'skoye
lambdacyhalothin
langnage
low-soda alumina
make book
March break
markon
mean square distribution
midcabin
multilevel NOR circuit
multipacks
nail bearing
neglect of experiment
non-return-to-zero coding
NZMC
output message
pedions
plough the sands
Provocholine
qaly
scaled down model
Schmidt torque meter
skill-position
softening of the brain
Space Launch System
special structure
squeaky-bum time
state of readiness
stay of execution
sterile cyst
storm window
subtendinous bursa of iliacus
supraorbital toruss
target irradiation
thecamoebids
thinning from below
thrombokinesis
Tonti, Henry de
trigger action
Tāhirpur
unanointed
uncalculable
unipolar signal
vasoinert
vibrating diaphragm
wizarded