交流直流功率转换

英文手机闹钟铃声：ACDC - For Those Who About To Rock

硬摇都吵不醒，意味着沉睡的不仅是身体，还有灵魂ACDC - For Those Who About To Rock 还是来自澳洲的AC/DC~纯粹的硬摇滚，让浑身血液沸腾、灵魂在摇滚精神的骄阳下爆破蒸发这首For Those Who About To

发表于:2018-11-29 / 阅读(181) / 评论(0)

英文手机闹钟铃声

VOA常速英语2008年-Kenyans Under Challenges After Power-sharing Ac

By Derek Kilner Nairobi 29 February 2008 Following the signing of a power-sharing agreement the mood in Kenya's capital is one of relief and hope that life will begin to return to normal. But as Derek Kilner reports from Nairobi, there is an awarenes

发表于:2018-12-08 / 阅读(60) / 评论(0)

VOA常速英语2008年（二月）

VOA常速英语2013--美俄结束核转换项目

US-Russian Nuclear Conversion Program Ends 美俄结束核转换项目 WASHINGTON Uranium converted from Russian nuclear warheads has provided an estimated 10 percent of U.S. electric power in recent years. The 20-year Megatons to Megawatts program h

发表于:2018-12-08 / 阅读(45) / 评论(0)

VOA常速英语2013年(十二月)

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(63) / 评论(0)

国家地理2008年

经济学人09:光电池利用染料进行能量转化

Science and technology. 科技。 Photoelectric cells. 光电池。 To dye for. 利用染料进行能量转化。 A new type of cell may bring solar energy indoors. 一种新型电池也许能带来室内太阳能。 THE phrase indoor solar power sou

发表于:2018-12-31 / 阅读(75) / 评论(0)

经济学人科技系列

VOA标准英语2010年-Florida Man Installs Wind Turbine on H

Amid the recent economic downturn, demand in the U.S. is rising for small wind turbines to power people's homes. The American Wind Energy Association says sales of such turbines rose 15 percent in 2009. One man in Florida is generating his own power

发表于:2019-01-04 / 阅读(97) / 评论(0)

VOA标准英语2010年(六)月

VOA标准英语2008年-Fish And Chip Oil Powers Road Trip Around Austr

By Phil Mercer Sydney 22 May 2008 A couple has embarked on a journey around Australia in a car powered by leftover vegetable oil from fish and chip shops. Rachel and Gerard Mimmo plan to drive 18,000 miles in a specially designed four-wheel drive. Fr

发表于:2019-01-06 / 阅读(78) / 评论(0)

VOA标准英语2008年（五月）

英语四级语法复习必备专项训练(6)

1.Even though he has lived in China for many years, Mark still can not _______ himself to the Chinese customs. A.adopt B.adjust C.adapt D.accept 2.He tried to _______ with the manager for has salary. A.evaluate B.object C.bargain D.pause 3.To some __

发表于:2019-01-08 / 阅读(81) / 评论(0)

大学四六级阅读

英语四级语法复习必备专项训练(1)

发表于:2019-01-08 / 阅读(86) / 评论(0)

大学四六级阅读

VOA常速英语2008年-Zimbabwe Campaigns Use New Technologies to Reac

By Loirdham Moyo Mutare, Zimbabwe 25 March 2008 Zimbabwean political parties are using innovative methods of attracting prospective voters for the March 29 presidential elections.For example, they providethe undecided with text messages about their p

发表于:2019-01-12 / 阅读(64) / 评论(0)

VOA标准英语2008年（三月）

VOA常速英语2014--美国能源公司：清洁科技有利可图

US Energy Company: Cleaner Technologies Make Good Business Sense 美国能源公司：清洁科技有利可图 BREMO BLUFF, VIRGINIA Even before the U.S. Environmental Protection Agency released its proposed rules this month for reducing carbon emiss

发表于:2019-01-14 / 阅读(43) / 评论(0)

VOA标准英语2014年(六月)

英语听力：自然百科 Alternative Energy 可替代能源

发表于:2019-01-16 / 阅读(64) / 评论(0)

自然百科2008年

TED演讲:俄罗斯的起源(2)

With Vladimir's conversion and marriage to the Byzantine emperor's sister, 通过弗拉米尔的转变，还有他和拜占庭皇妹的联姻 as well as continued trade along the Volga route, the relationship between the two civilizations deepened. 以

发表于:2019-01-17 / 阅读(135) / 评论(0)

TED演讲教育篇

VOA双语新闻：14、美国能源公司：清洁科技有利可图

美国能源公司：清洁科技有利可图 Even before the U.S. Environmental Protection Agency released its proposed rules this month for reducing carbon emissions from the nations power plants, energy companies began converting older plants to c

发表于:2019-01-19 / 阅读(59) / 评论(0)

VOA双语新闻 2014年6月

经济学人19:光电池室内太阳能

Science and Technolgy. 科技。 Photoelectric cells. 光电池。 To dye for. 染料光电池。 A new type of cell may bring solar energy indoors. 一种新型电池有望将太阳能引进室内。 THE phrase indoor solar power sounds like an oxym

发表于:2019-01-26 / 阅读(78) / 评论(0)

经济学人科技系列

煤转化产业 coal conversion industry

中国富煤缺油少气的能源资源特点，造成能源消费主要依赖于煤炭，石油则主要依靠进口，而且带来一系列环境问题。煤清洁转化技术则可以帮助缓解这一难题。近日专家表示，我国将在2020年

发表于:2019-02-06 / 阅读(119) / 评论(0)

实用英语

经济学人225:光电池染料光电池

Science and technology 科学技术 Photoelectric cells 光电池 To dye for 染料光电池 A new type of cell may bring solar energy indoors 一种新型电池有望将太阳能引进室内 THE phrase indoor solar power sounds like an oxymoron. 室内

发表于:2019-02-07 / 阅读(90) / 评论(0)

经济学人科技系列

VOA标准英语2009年-Elbaradei Reports On Global Nuclear Activi

By Bernard Shusman New York 04 November 2009 International Atomic Energy Agency (IAEA) Director General Mohamed ElBaradei (file photo) International Atomic Energy Agency (IAEA) chief Mohamed ElBaradei has given what amounts to his final report on gl

发表于:2019-02-12 / 阅读(100) / 评论(0)

VOA标准英语2009年(十一月)

英语影视原声：《钢铁侠2》片尾曲AC/DC摇滚Highway to Hell

《钢铁侠2》片尾曲AC/DC摇滚Highway to Hell 小罗伯特唐尼主演的电影《钢铁侠2》（Iron Man 2）终于全球同步上映，片中充满了金属感十足的摇滚插曲，除了主题歌是来自老牌摇滚团队AC/DC的Shoot to

发表于:2019-02-20 / 阅读(74) / 评论(0)

影视英文歌曲

【英语时差8,16】利用太阳能-上

Did you know that enough sunlight falls on the earths surface every minute to provide energy for the entire world? The trick, though, is turning sunlight into power we can use for things like heating water and making electricity. And there are two ty

发表于:2019-02-23 / 阅读(60) / 评论(0)

英语时差8，16

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