新东方背诵文选 L50. Cells and Temperature

Cells cannot remain alive outside certain limits of temperature and much narrower limits mark the boundaries of effective functioning. Enzyme systems of mammals and birds are most efficient only withi

CNN 2011-08-25

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

你每天需要喝8杯水吗？

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

SSS 2011-09-26

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

SSS 2012-01-11

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

【突破英文词汇】flu, fluc, flux -- flow 流

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

英语博客：The Blue Bees.

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

VOA慢速英语20061129a

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

SSS 2008-11-18

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

英语杂谈：101 Temperature-sensitive genes

Some bacteria have adapted to super cold environments for millions of years. And scientists have isolated some of the essential genes that allow bacteria to tolerate their harsh living conditionsbecause these same genes might help in the creation of

烧烤Barbecue: BBQ

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

【英语语言学习】睡眠与健康

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

Foot-and-Mouth (1)Disease

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

（考研词汇）新版—42

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

乔布斯传 第440期:工作室探奇(3)

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。

机械专业英语词汇

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

散文欣赏-追忆似水年华

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

趣味青春英语电台 第327期:Say so

Idiom: Say so ( be straightforward ) Hit the book: Bemoan Substantial Fluid Interplay Ambitious Questionnaire Automatically Consecutive Participant For many people, working out and alcohol are closely linked. Sports teams and training partners celebr

《荒野求生》之跟着贝尔去冒险第334期:全新级别的考验

In at number 11 is Kenya,searching for fluid and doing the unthinkable. 排名第11位的是肯尼亚 寻找水源并完成不可想象的任务 Gut-wrenching.One thing you can do if you're stuck out here 太恶心了 在没有水的情况下如果你想

听播客学英语 258 兽医

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