传压流体

LESSoN EIGHT TEXT Telecommunication via Satellite At the beginning of the twentieth century, there were four powerful means of transmitting and receiving information over long distances: print, photog

发表于:2018-12-01 / 阅读(208) / 评论(0) 分类 自考英语(一)78讲

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(138) / 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(133) / 评论(0) 分类 火星生命

Traditional Shaman Ceremony Attracts New Yorkers Spiritual seekers and the merely curious participate in the ancient Incan ceremony, conducted by Jesus Aguilar, a Peruvian healer-priest called a shaman. Aguilar moved from Cusco, Peru, to New York wit

发表于:2018-12-16 / 阅读(126) / 评论(0) 分类 VOA标准英语2012年(十月)

welcome to our march 17 addition of cnn students news, I am coarl zoos, first up, voters in Crimea voted yesterday, and overwhelmingly chose to become part of Russia, the local government sending its delegation to Moscow to apply for that, Russia wel

发表于:2018-12-19 / 阅读(131) / 评论(0) 分类 CNN2014年(三)月

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(122) / 评论(0) 分类 Scientific American(一)月

Rob: Hello, I'm Rob and this is 6 Minute English and I'm joined this week by Finn. Hello Finn. Finn: Hello Rob. Rob: We are in a celebratory mood this week Finn aren't we? Finn: Yes we are. We have something to shout about - it's the 70th anniversary

发表于:2019-01-07 / 阅读(158) / 评论(0) 分类 六分钟英语

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(152) / 评论(0) 分类 Scientific American(十一)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(149) / 评论(0) 分类 英文语法词汇

Health Report - How Early Treatment Can Limit the Spread of HIV This is the VOA Special English Health Report. For people infected with HIV, the earlier they start treatment, the better -- and better not just for them. A new study shows that early tr

发表于:2019-01-12 / 阅读(125) / 评论(0) 分类 2011年VOA慢速英语(五)月

We brought it on air in November 2009. 我们在2009年11月的时候播出了这个节目。 But no, this was far more attractive. 但其实,这节目火了起来。 This is the five biggest TV channels in Norway on a normal Friday, 这张图是挪威

发表于:2019-01-18 / 阅读(131) / 评论(0) 分类 TED演讲娱乐篇

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(194) / 评论(0) 分类 科技之光

Sleep. It's something we spend about a third of our lives doing, but do any of us really understand what it's all about? Two thousand years ago, Galen, one of the most prominent medical researchers of the ancient world, proposed that while we're awak

发表于:2019-01-24 / 阅读(182) / 评论(0) 分类 英语语言学习

22 防止口蹄疫的传播 DATE=3-17-01 TITLE=IN THE NEWS #472 - Foot-and-Mouth (1)Disease BYLINE=George Grow (Start at 1'08

发表于:2019-01-30 / 阅读(182) / 评论(0) 分类 科技之光

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(380) / 评论(0) 分类 考研英语

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(172) / 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(160) / 评论(0) 分类 趣味英语

Can it really be sixty-two years ago that I first saw you? 我们初次相遇,难道真的是六十二年前吗? It is truly a lifetime, I know. But as I gaze into your eyes now, it seems like only yesterday that I first saw you, in that small ca

发表于:2019-02-19 / 阅读(126) / 评论(0) 分类 英语美文

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(183) / 评论(0) 分类 听播客学英语

We have multiple failures on the inertial reference system. We are no longer able to fly oceanic route. Request return for landing. 481. 我们有多个惯导失效,我们不能再跨洋飞行,申请返场着陆。 We do not meet GPS approach req

发表于:2019-03-10 / 阅读(416) / 评论(0) 分类 飞行员英语900句
学英语单词
accident mitigation
afraid to
amidward
androcentrist
annual wealth
anti-trafficking rule
antifrost device
autonomous model
Ban Amnat
baudisserite (magnesite)
benzalcoumaranon
billiard ball model
braking orbit
Breno
calibrating signal
cheapy
clound burst treatment forming
COM callable wrapper
committee for insane persons
common disease poultry and livestock
compass bowl
contact screw washer
copper metallurgy
corporals
cytohyperoxia
Danjon astrolabe
de visu
di-2-ethoxyethyl peroxydicarbonate
Didicas
diffuse proliferative glomerulonephritis
dippiest
double ribbon agitator
dry-friction damping
dual beta decay
epitrochoidal
eque
eugenia jamboss
Euphon quilt
featurelessly
fibre spectrum
field mapper
floor socket outlet
folk-memories
full correlation
gastric tooth
glass beads
gravity lubric-ation system
h.t.s
Hedyotis terminaliflora
herluin
high-resolution interferometry
in one's heart
inertia weights
interstage recirculation
Isovolume
jumperlike
kleptistic
knock inducer
law-making convention
levelling tripod
local coordinate
longitudinal deviation
marie-jo
mellow yellow
moonflower
mutual fund investments
oubiette
passive population
pipe jaw
plantvax
pole plasm
potassium
Psël(Ps'ol)
pump horse power
Rhabdospora
right square
rotary-sliding-vane flowmeter
ruffled groove cast
settingvalue
Silentsaleman
steam cyclone
steering clutch lever
sylke
Tisserand criterion
translation class
two quadrant convertor
two-step rocket
unhyphenating
uninducted
unmissable
up-wind
us bond
vision system
voice-activated e-mail
waterproofing membrane
wining-and-dining
Winsen(Luhe)
Wirdum
wirehairs
wittner
woodworking shop
Zalau