45.The source of Energy A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Suns very center. It is here that is to be found the source of the energy that the Sun constantly pours out i

发表于:2018-11-28 / 阅读(347) / 评论(0) 分类 新概念优美背诵短文50篇

The massive introduction of women into the work force leads to the transformations occurring within the women themselves. 妇女大量进入劳动力大军引起了妇女自身的转变。 图片1

发表于:2018-12-02 / 阅读(90) / 评论(0) 分类 Daily English-2017.5

Day 10 Job Hunting Tips: Containing Anxiety It hangs from the ceiling above your bed while you toss through the night hours. It waits inside the door of every employment office you enter. It dogs your footsteps as you pound the job search pavement. I

发表于:2018-12-07 / 阅读(62) / 评论(0) 分类 白领美丽英文诵典365

This is AP News Minute. President-elect Donald Trump says he disavows and condemns the alt-right movement in white-supremacists who claimed Trump's election boosts their agenda. Trump told the New York Times he doesn't want to energize such groups. F

发表于:2018-12-15 / 阅读(106) / 评论(0) 分类 美联社新闻一分钟2016(十一)月

台湾籍旅美老师今天交给我们的句子是: Of course, there's more to raising children than biology. Anecdotal accounts points to younger parents having more energy, but older parents having more maturity and financial stability. 当然啦,

发表于:2018-12-18 / 阅读(58) / 评论(0) 分类 留美老师带你每日说英文

Dialogue: 大明: 何亚君,今天我们以5小时16分58秒的净时间完成了你的首个全程马拉松,感觉怎么样? 何亚君:非常兴奋, 再你们的帮助下,我终于完成了我的马拉松之梦,这让我看到了光明!感

发表于:2018-12-28 / 阅读(49) / 评论(0) 分类 英语PK台

A Magical Glow? Have you ever wondered why fluorescent colors, like you see in highlighters or clothing dyes, for instance,seem so much brighter than other colors? Its because they seem to reflect more light than they receive! It may sound like a mag

发表于:2018-12-31 / 阅读(53) / 评论(0) 分类 英语听力文摘 English Digest

New Technology Harvests Energy from River and Tidal Movement A number of companies have used the wind and sun to produce energy. Now, one company is using the force of flowing rivers and ocean currents. The company is based in the U.S. state of Maine

发表于:2019-01-03 / 阅读(68) / 评论(0) 分类 2018年VOA慢速英语(四)月

如果我们能通过窗户玻璃上提取能量会是什么情景?创业家贾斯汀霍-提平在这个感人的演讲中展现给我们能将此设想变为现实的材料,并告诉我们对所谓正常概念的质疑能带我们找到突破。

发表于:2019-01-05 / 阅读(66) / 评论(0) 分类 TED公开课:环境 重造计划

智利学生研发另类充电设备 小小植物也能轻松为手机充电 Three Chilean students got the idea for a plant-powered device to charge their cellphones, while sitting in their school's outdoor courtyard during a break from exams, with

发表于:2019-01-14 / 阅读(83) / 评论(0) 分类 VOA标准英语2016年(一月)

Scientists Develop Motor-free Device That Eases Walking Strain 科学家发明无动力助行走设备 Devices that help people walk were once thought to be impossible to design without some kind of auxiliary power. But U.S. scientists at Carnegie Me

发表于:2019-01-14 / 阅读(58) / 评论(0) 分类 VOA标准英语2015年(四月)

科学家发明无动力助行走设备 Devices that help people walk were once thought to be impossible to design without some kind of auxiliary power. But U.S. scientists at Carnegie Mellon University and the University of North Carolina have built

发表于:2019-01-14 / 阅读(70) / 评论(0) 分类 VOA标准英语2015年(八月)

Astronomers have detected the brightest explosion ever witnessed in the heavens. It was a flash of light from across our galaxy so powerful that it bounced off the Moon and illuminated Earth's upper atmosphere. The researchers say if the blast had oc

发表于:2019-01-19 / 阅读(85) / 评论(0) 分类 VOA双语新闻 Bilingual News

5-Hour Energy Drinks: FDA Looks Into CaffeinatedBeverageThe Food and Drug Administration looks into 13 deaths allegedly Linked to thedrink. 4年来,美国食品及药物管理局收到13起死亡报告,祸根可能是饮用了含咖啡因的能量饮

发表于:2019-02-03 / 阅读(146) / 评论(0) 分类 英语新闻视频

人类的大脑是一个迷 对于我们的身体来说,它是出奇地大。它的重量和那一个奇形怪状的密集的大脑皮层消耗了大量的能量。但是:为什么?神经学家苏珊娜带上她的侦探帽,带领我们探索这

发表于:2019-02-05 / 阅读(77) / 评论(0) 分类 TED公开课:美妙的神经系统

Why Alien s Wont Eat Us Are alien s going to eat us? Thats more of a science fiction question. But science does have something to say here, and sometimes purely imaginative questions are great tools for helping us think about how the real world works

发表于:2019-02-16 / 阅读(48) / 评论(0) 分类 英语听力文摘 English Digest

Swinging Physics: Potential And Kinetic Energy Working Together 动能与势能相互作用 动能是所有能看到的运动的能量,包括物体的,微粒的或质点集的运动等。 势能(Potential energy )是位置的函数,例如把一个

发表于:2019-02-24 / 阅读(59) / 评论(0) 分类 英语听力文摘 English Digest

歌词: Well I aint got much time so Ill get to the point Do you wanna share a ride and get the fuck out of this joint? Ive got an impulse so impulsive that it burns I wanna break your heart until it makes your stomach churn I got to know if youre

发表于:2019-03-02 / 阅读(158) / 评论(0) 分类 英文最新流行歌曲

Coming up, Turkey has shot down a Syrian warplane near their border accusing it of violatingTurkish airspace. Well hear from our correspondent in Istanbul. French satellite images of thesouthern Indian Ocean are being annalized after searches for the

发表于:2019-03-04 / 阅读(122) / 评论(0) 分类 英语听力精选进阶版

台湾籍旅美老师今天交给我们的句子是: As you start to lose weight you start to get smaller and you burn less energy and you start to metabolically adapt to your new diet. And so you are never going to lose weight at one constant rate

发表于:2019-03-04 / 阅读(98) / 评论(0) 分类 留美老师带你每日说英文