能量吸收材料

【英语时差8,16】蘑菇也能变为柴油？

Don: Time to go again to the A Moment of Science mailbag. Yal: A listener writes: Dear A Moment of Science, Scientists know that one day we'll run out of oil and other natural sources of energy. Beyond solar power and wind power and ethanol, what are

发表于:2018-12-27 / 阅读(127) / 评论(0)

英语时差8，16

人教高中英语高二下UNIT12-3

MR CAVORS FLYING MACHINE When I first met Mr Cavor, he was about to finish building the machine in which he planned to travel to the moon. As it had neither wings nor an engine, I was amazed and asked him how his machine could fly. The secret lay in

发表于:2018-12-29 / 阅读(199) / 评论(0)

人教高中英语高二

国家地理-2008-04-12 Alternative Energy 可替代能源

When the wind picks up at the foot of the Rockies, there are those who believe they can hear the future. At the National Renewable Energy Laboratory, making alternative power sources competitive with fossil fuels has been a mission since the energy

发表于:2018-12-30 / 阅读(123) / 评论(0)

国家地理2008年

60秒科学:Tree Electricity Runs Nano-Gadget

Tree Electricity Runs Nano-Gadget A report in the journal IEEE Transactions on Nanotechnology shows that maple trees generate a small, but measureable amounts of electricity, which can power tiny devices. Karen Hopkin reports If scientists have thei

发表于:2019-01-02 / 阅读(181) / 评论(0)

60秒科学

SSS 2009-09-14

If scientists have their way, we may someday be tapping maplesnot for pancake fixins, but for power. Because researchers from the University of Washington in Seattle have found theres enough electricity flowing in trees to run an electronic circuit.

发表于:2019-01-08 / 阅读(121) / 评论(0)

Scientific American(九)月

高中英语第二册课本朗读12-work

Mr Cavors Flying Machine When I first met Mr Cavor, he was about to finish building the machine in which he planned to travel to the moon．As it had neither wings nor an engine，I was amazed and asked him how his machine could fly．The secret lay

发表于:2019-01-09 / 阅读(301) / 评论(0)

高中英语听力人教版第二册

VOA慢速英语2014 美国公司从垃圾提取天然气

AS IT IS 2014-06-13 Companies Make Gas from Garbage 美国公司从垃圾提取天然气 The future in energy production is here. And some of the materials used to supply the energy may surprise you! Companies have developed a way to turn plant waste

发表于:2019-01-12 / 阅读(96) / 评论(0)

2014年VOA慢速英语(六)月

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

发表于:2019-01-12 / 阅读(135) / 评论(0)

2014年VOA慢速英语(九)月

VOA标准英语2010年-Green Packaging Replaces Petroleum-Bas

Ecocradle serves the same purpose as traditional foams when used as a packaging material. Buying a product these days often means you are getting more than you bargained for. Unwrapping your latest purchase can leave the room strewn with the cardboar

发表于:2019-01-13 / 阅读(146) / 评论(0)

VOA标准英语2010年(八)月

王强口语第二册 Dictation 002

Lesson Two 听力部分 Dictation: Please prepare your paper and pen. _____ to recall to the ____. ____________ after absorbing _______________, _______ the key ________ of the ________ in your ____. Don't _____ if ___'__ _________ some of it. Do ___

发表于:2019-01-14 / 阅读(157) / 评论(0)

王强口语第二册

英语听力：自然百科 Alternative Energy 可替代能源

发表于:2019-01-16 / 阅读(122) / 评论(0)

自然百科2008年

2007年VOA标准英语-Russia, Australia Sign Uranium Deal

By Nancy-Amelia Collins Sydney 07 September 2007 Russia has signed a deal to import Australian uranium for Russia's nuclear energy program. The two countries were quick to assure the world that the material would be used only for peacetime nuclear pu

发表于:2019-01-25 / 阅读(166) / 评论(0)

2007年VOA标准英语（九月）

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

发表于:2019-02-02 / 阅读(105) / 评论(0)

英语新闻

新型显示屏薄如纸张可随意弯曲

最近有科学家正在研发一种全新的电子纸技术，这种电子纸其实就是一种超薄的柔性显示屏，具有很高的能效性，并且在阳光直射或明亮环境中也可以清晰地显示出内容。这种柔性显示屏的厚

发表于:2019-02-03 / 阅读(91) / 评论(0)

阅读空间

中国推进“一带一路”贸易

Shen Danyang, spokesperson of the Ministry of Commerce, says the total foreign investment as well as the number of enterprises that were invested in by relevant countries have both increased. In terms of absorbing overseas investment, a total of 948

发表于:2019-02-18 / 阅读(116) / 评论(0)

英语新闻

2015年CRI 中国与“一带一路”相关国家贸易取得进展

发表于:2019-02-21 / 阅读(137) / 评论(0)

2015CRI中国国际广播电台

【英语时差8，16】细菌能

Ya?l: Welcome to another episode of Lunch with Don and Ya?l. So, Don, what are you eating today? Don: Nothing. Y: Nothing!?! Are you on a diet or something? D: Not by choice. To be honest, I'm trying to save money by buying less food. Y: Why? D: Beca

发表于:2019-02-23 / 阅读(112) / 评论(0)

英语时差8，16

英语听力文摘 English Digest 335、新陈代谢到底是什么？

The Parts of Metabolism 新陈代谢到底是什么？ What is metabolism really? Statements like he can eat a lot because he has a fast metabolism are somewhat misleading. Metabolism isnt about the digestion of food in your stomach; its the name giv

发表于:2019-02-24 / 阅读(134) / 评论(0)

英语听力文摘 English Digest

GRE阅读难点：抽象词组解析

新GRE阅读难句解析之抽象词组、比喻 As she put it in The Common Reader , It is safe to say that not a single law has been framed or one stone set upon another because of anything Chaucer said or wrote ; and yet , as we read him , we are

发表于:2019-03-11 / 阅读(184) / 评论(0)

GRE英语

GRE阅读难句中的抽象词组

发表于:2019-03-11 / 阅读(263) / 评论(0)

GRE英语

最新学习文章

热门学习文章

热门标签

英语听力 VOA标准英语 VOA 英语歌曲口语听力提高听力材料听力教程英语学习 NPR 英语口语 VOA慢速英语美国国家电台儿童英语 VOA英语小学英语 cnn VOA常速英语标准英语英文歌曲听电影学英语英语单词英文电影慢速英语 CRI 美联社新闻美国有线新闻加州分级澳洲新闻流行歌曲常速英语 ABC新闻快递疯狂英语英语读物听力棚车少年经济学人英语词汇商务英语 VOA双语新闻 BBC 中国电台大学英语 Treasures 加州语文 BBC英语英语听力网站 VOA英语教学词汇万花筒 SSS VOA英语听力 AP 新概念分级英语英语广播听力精选英语播客英文绘本 TED演讲赖世雄英语MP3 CCTV9英语新闻 lesson 英语新闻初中英语学英语英语语法历史上的今天英文广播剧英语游戏原版英语小说英语有声读物书虫英语牛津英语读物访谈录新闻一分钟考研英语英语每日在线听新闻 Us 新概念英语地道英语单词第二册自然百科高中英语 sports 实用英语 MP3听力辛沛沛 ESL英语第一册英语每日一句 unit 新东方 GRE 每日一词 BBC听力

学英语单词