单词：pressure fluid
单词：pressure fluid 相关文章
The situation is still very fluid. There remains degree of uncertainty and there are still regime elements who pose a threat. But this much is clear: The Gaddafi regime is coming to an end, and the future of Libya is in the hands of its people. In ju
CNN2011年(八)月
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
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.
火星生命
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Life requires balance. We balance work and family. We eat a balanced breakfast, sometimes. And we balance our electrolytes. That salt-water synergy is no
Scientific American(九)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
Scientific American(一)月
1. fluid /ˈflu:ɪd/ -- 1. substance that flows 2. not rigid; changing easily Air, water, molasses and milk are all fluids. 空气、水、糖蜜和牛奶都是流体。 During November, the military situation remained fluid, with advances and retres
突破英文词汇
The Spring season brings all sorts of life and activity to this valley. You see people out on the streets, walking their dogs, in the parks with friends, and the school fields are full of sporting activities. For the first time, my daughter is in soc
英语博客 A cup of English
HEALTH REPORT - Waltzing Pumps Up Heart PatientsBy Lawan Davis Broadcast: Wednesday, November 29, 2006 This is the VOA Special English Health Report. A social dancing program at a senior citizen cente
2006年慢速英语(十一)月
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
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
英文语法词汇
CHARLIE: Beer! Where is the beer! HUGH: Don't be such a beer hog, Charlie. Why don't we play some frisbee first? CHARLIE: Frisbee? Without beer? Are you kidding? I won't be able to catch it. I won't b
娱乐英语
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
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
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
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
考研英语
He can get a sense of the sweep of the whole company, the iPhone and iPad, the iMac and laptop and everything we're considering. 他能够把握公司的全局，包括iPhone、iPad、iMac和笔记本电脑，以及其他我们正在考虑的产品。
乔布斯传
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
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
听播客学英语