膜传导理论

疯狂英语易背作文 23.Theory and Practice

23.Theory and Practice When talking about the importance of theory and practice,some people think theory is rather empty and abstract,so we should try to pratice a lot to obtain our goals;while others maintain that practice is rather too blind and wh

发表于:2018-11-28 / 阅读(390) / 评论(0)

疯狂英语易背作文

王强英语美文 10-The 50-Percent Theory of Life

生活半对半[The 50-Percent Theory of Life] I believe in the 50-percent theory. Half the time things are better than normal; the other half, they are worse. I believe life is a pendulum swing. It takes time and experience to understand what normal

发表于:2018-11-30 / 阅读(368) / 评论(0)

王强英语美文

儿童英语读物 The Box That Watch Found Chapter 9 Benny’s Theory

The Aldens followed the bike path through North Ridge Park on their way home from Cals house. The trees sheltered them from the wind, so it was easier pedaling here. The bike path became a narrow dirt trail through the thickest part of the woods and

发表于:2018-12-06 / 阅读(249) / 评论(0)

113 The Box That Watch Found

新东方优美背诵短文50篇 Unit27:Scientific Theories

27. Scientific Theories In science, a theory is a reasonable explanation of observed events that are related. A theory often involves an imaginary model that helps scientists picture the way an observed event could be produced. A good example of thi

发表于:2018-12-08 / 阅读(512) / 评论(0)

新概念优美背诵短文50篇

新东方背诵文选 L40 Cohesion-tension Theory

Atmospheric pressure can support a column of water up to 10 meters high. But plants can move water much higher; the sequoia tree can pump water to its very top more than 100 meters above the ground. U

发表于:2018-12-15 / 阅读(392) / 评论(0)

新东方背诵文选

【英音模仿秀】请别说“情”比“金”坚

模仿文本：Take the relationship between the world's second biggest mining company Rio Tinto and the government of Mongolia. In the last few years, Rio Tinto has spent over $6 billion building a vast copper mine way out in the Gobi desert. It's d

发表于:2018-12-28 / 阅读(210) / 评论(0)

英音模仿秀

ECONOMICS REPORT - Work on 'Game Theory' Wins Nobel Prize fo

ECONOMICS REPORT - Work on 'Game Theory' Wins Nobel Prize for Two Economists By Mario Ritter Broadcast: Friday, October 14, 2005 I'm Bob Doughty with the VOA Special English Economics Report. Robert A

发表于:2019-01-02 / 阅读(276) / 评论(0)

健康与经济

纯正地道美语第94期(外教讲解):Big Bang Theory

Global View - Big Bang Theory (C0094) A: Whats up? You dont look too good. B: Yeah, my head hurts, thats all. Ive been in physics class all day. Its killer! A: I liked physics. Its all math, really; arcs, curves,velocity, cool stuff. B: Yeah, yeah, b

发表于:2019-01-07 / 阅读(321) / 评论(0)

纯正地道美语

2007年VOA标准英语-Scientists Develop New Theory on How Toddlers L

By Jessica Berman Washington 03 August 2007 There's a period in the development of toddlers when they seem to learn a new word every day. There are different theories about why young children undergo what experts call a word spurt. But one psychologi

发表于:2019-01-07 / 阅读(264) / 评论(0)

2007年VOA标准英语（八月）

商业信函的7个“C”原则

写信的原则（Writing Principles）已从原来的3个C（Conciseness, Clearness, Courtesy）发展到目前的７个C：Completeness, Clearness, Concreteness, Conciseness, Correctness, Courtesy, Consideration实例: Dear Sirs,With reference to y

发表于:2019-01-20 / 阅读(223) / 评论(0)

实用英语

经济学人152:攻破屏障

Science and technology 科学技术 Creutzfeldt-Jakob disease 克雅氏病 Breaking down the barrier 攻破屏障 A glimmer of hope for a drug that treats disease caused by prions 药物治疗朊病毒感染疾病的一线希望 THE epidemic of mad-c

发表于:2019-01-26 / 阅读(280) / 评论(0)

经济学人科技系列

如何降低电脑辐射

第一招：在电脑旁放上几盆仙人掌，它可以有效地吸收辐射。第二招：对于生活紧张而忙碌的人群来说，抵御电脑辐射最简单的办法就是每天上午喝2至3杯的绿茶，吃一个橘子。第三招：上网

发表于:2019-02-03 / 阅读(241) / 评论(0)

阅读空间

英语词汇分类：物理

matter 物质 energy 能 vacuum 真空 liquid 液体 fluid 流体 solid 固体 body 物体 mass 质量 weight 重量 density 密度 specific gravity 比重 gravity 重力 velocity 速度 kinetic energy

发表于:2019-02-07 / 阅读(208) / 评论(0)

英文语法词汇

与美国小学生一起学英文第5册第19期:矿井

Mine 矿井 People get different kinds of materials from different mines. 人们从不同的矿井中得到不同的矿物材料。 Gold comes from a gold mine. 黄金产自金矿。 Copper comes from a copper mine. 铜产自铜矿。 And coal comes

发表于:2019-02-11 / 阅读(278) / 评论(0)

与美国小学生一起学英文第5册

英语听力—环球英语 1226 Birth Order Theory

Voice 1 Welcome to Spotlight. Im Rena Dam. Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 Imagine a family with three children.

发表于:2019-02-14 / 阅读(319) / 评论(0)

环球英语 Spotlight

美剧《生活大爆炸》搞笑英文主题曲：Big Bang Theory

美剧《生活大爆炸》搞笑主题曲：Big Bang Theory Artist:Barenaked Ladies Song:Big Bang Theory Our whole universe was in a hot dense state, 宇宙一度又烫又稠密 Then nearly fourteen billion years ago expansion started. Wait... 140亿年

发表于:2019-02-20 / 阅读(267) / 评论(0)

流行英文歌曲

【趣谈英语】胎记谈-The Birthmark Theory

Pre-Listening Vocabulary blemish: an imperfection; a small flaw fade: to become less bright reincarnation: the belief that living beings die and then are reborn in a new form spear: a long sharp weapon that punctures the skin The Birthmark Theory Bir

发表于:2019-02-27 / 阅读(281) / 评论(0)

趣谈英语

英语绕口令大全第6期

以字母G开头英语绕口令： Give Mr.Snipa's wife's knife a swipe. 把史立巴先生的太太的刀子抹净 Give papa a cup of proper coffee in a copper coffee cup. 给老爸一杯用铜制咖啡杯装的好咖啡 Gertie's great-grandma grew

发表于:2019-02-27 / 阅读(320) / 评论(0)

英语绕口令大全

omg美语：0308 OMG! 美语 Big Bang Theory: You Made My Day!

我们今天一起来看看白洁最喜欢的电视剧之一！Big Bang Theory! 生活大爆炸! 我们一起来学6季17集的美语说法！ 1) How'd it go? 过得怎么样？2) Body language 身势语。如果你能看出某人有什么感觉，那就

发表于:2019-03-02 / 阅读(276) / 评论(0)

OMG美语

【英语时差8,16】冰激凌融化：热传导 -上

Live a single day on planet Earth, or anywhere else in the universe for that matter, and you will experience the natural phenomenon of heat conduction, which is the term used to describe the natural flow of heat from warmer objects to cooler ones. Yo

发表于:2019-03-06 / 阅读(250) / 评论(0)

英语时差8，16

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学英语单词

automatic amplitude control circuit

bolometer type wattmeter