7-5 如果有毅力

If There’s a Will I am my mother’s third child, born when she was 20. When I was delivered, nurses took me from the room before she could see me. Her doctor gently explained that my left arm was m

Supermassive Black Holes 超大质量黑洞 - 3

A supermassive black hole is quite simply gravity gone mad. An object of such concentrated matter its gravitational pull is insatiable. Nothing can escape it, not even light itself. Anything that gets

微波炉发明源于一项最高军事机密

微波炉发明源于一项最高军事机密 Many people around the world use a microwave oven every day, not knowing that a crucial part of it was once a top military secret. 世界上许多人每天都在使用微波炉,但却不了解它曾经是一

英语听力文摘 English Digest 620、冰块如何使饮品冷却？

How Does Ice Cool Drinks? Heres something we tend to take for granted: drop a few ice cubes into a glass of water at room temperature, and in a few minutes the water will cool. How does this work? Heat is a measure of molecular activity: the faster a

美国发明家的电池技术或改变世界

American inventor John Goodenough first started working on battery technology more than 40 years ago. Goodenough actually co-invented lithium-ion batteries in 1980. This eventually led to a revolution in the electronics industry because those devices

VOA慢速英语2014 烟头转变成电池

Turning Cigarette Butts to Batteries 烟头转变成电池 If you see a person carelessly throw a cigarette to the ground, what are you likely to think? That depends. If you hate people throwing things on the ground, you might think, That person shou

VOA标准英语2014--芝加哥的阿贡国家实验室正在研发未来电池

Chicagos Argonne Lab Developing Battery of the Future CHICAGO In 2012, the Department of Energys Office of Science awarded a $120 million grant to a new technology center focused on battery development - headquartered at Argonne National Laboratory i

军事研究是如何走进日常生活的?

How Military Research Finds Its Way to Everyday Life 军事研究是如何走进日常生活的? WASHINGTON Sometimes simple scientific advances in one field can have value far beyond their intended use. Many of these advances can change the world an

夏洛的网 第159期:蟋蟀(2)

Summer is over and gone, repeated the crickets. 夏天完了，结束了，蟋蟀反复唱， How many nights till frost? sang the crickets. 到冷天还有多少夜啊？蟋蟀唱道， Good-bye, summer, good-bye, good-bye! 再见了，夏天，再见

2007年VOA标准英语-Airlines Looking to Lessen Environmental Impact

By Brian Padden Paris 21 June 2007 The airline industry has long sought to develop new technology to offset the rising cost of fuel, but the industry also has looked to make flying more energy efficient. This year at the Paris Air Show many companies

充电几秒钟通话一星期 美大学研发超级电容电池

Scientists from the University of Central Florida (UCF) have created a supercapacitor battery prototype that works like new even after being recharged 30,000 times. 来自中佛罗里达大学（UCF）的科学家已经创造了一个超级电容电池

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

英语口语怎么说“高端大气上档次”

如今，高端大气上档次已经成为众人耳熟能详的网络用语，凭借其无与伦比的受欢迎度，高端大气上档次一度位居十大网络用语的榜首。这句让无数互联网迷们捶足顿胸的潮流时尚用语，到底

TED演讲:宇宙的灭亡(2)

This dark energy doesn't behave like any other substance we know at all and acts more like antigravity force. 这种暗能量的性质与我们所熟知的其他物质完全不同，它更像是反重力。 We say that it has a gravitational pressure

TED演讲:宇宙的灭亡(1)

Looking up at the night sky, we are amazed by how it seems to go on forever. 仰望夜空，我们为它的永无止境而感到惊讶。 But what will the sky look like billions of years from now? 然而数十亿年前的天空又会是什么样子呢

夏洛的网 第171期:上集市去(9)

Be quiet, Templeton! said the sheep. 别响了，坦普尔顿，老羊说， Pull in your head they're coming. 把你的脑袋缩进去他们来了。 Look radiant, Wilbur! 做出光彩照人的样子，威尔伯！ Lay low, Charlotte! Talk it up, ge

如何用英语表达自己的喜悦

如何用英语表达自己的喜悦 人人都向往快乐，平时大家也会遇到一些让人快乐的事。在汉语中有非常丰富的词汇来表示人的喜悦。但在与外国人交往时，你是不是感到词汇贫乏，无法恰如其分

英语美文：不能更改的约会

After 21 years of marriage, I discovered a new way of keeping alive the spark of love. I started to go out with another woman. It was really my wife's idea. I know that you love her, she said one day, taking me by surprise. But I love YOU, I proteste

详解雅思阅读强调句的三种体现

(1)it引导的强调句 1)It + is/was + 被强调部分 + that/which/who/whom/whose + 句子的其他成分： 在这一结构中，如果被强调部分是人，用that，who，whom;如果被强调部分是物，用that或which;强调状语时，只能

2016年CRI Tech Breakthrough on EVs Needs Unified Efforts: Political Adviser

After failing in Beijing's license plate lottery system for some three years, Qin Xiaofei finally made his decision in January to buy a battery-driven car to chauffeur his wife who has recently become pregnant. But, he says, one of the biggest concer