单词：photolectric material
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[00:03.89]You will hear three pieces of recorded material. [00:08.75]Before listening to each one, [00:12.90]you will have time to read the questions related to it. [00:17.55]While listening, [00:20.72]answer each question by choosing A, B, C or D. [
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This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. After water, tea is the world's most popular drink. Now three New York City high school students have discovered what maybe a bruing scandal because th
Scientific American(七)月
This is Scientific American 60-Second Science. I'm Cindey Graber. This will just take a minute. When TV sets die, they usually end up incinerated or in landfills. But now researchers from Englands University of York believe theyve found a valuable us
Scientific American(七)月
[00:03.81]bottom line :结余；结算 [00:05.82]bundle :n.搭售商品 [00:07.49]convention :n.(专业)展览会 [00:09.37]demonstration :n.展示 [00:11.46]entrance :n.入口 [00:13.29]go with :选择；决定采用 [00:15.17]high traffic :a.高流量
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By Zulima Palacio Austin, Texas 20 January 2006 watch Suspension report Electric suspensions offers more stabilility One day, exhausting car rides over bumpy terrain, with all the dangers and damaging
2006年VOA标准英语（一月）
Electric Cars Face Issues in US Fate of the US electric car Volt owner Frederico Goodsaid can practically sneak up behind people. He says he likes the sheer silence of his electric car. Goodsaid also enjoys driving by these. I pass over 50 gas statio
VOA标准英语2012年(三月)
Former U.S. President Clinton and mayors from around the world are gathering in Seoul this week for a summit on reducing greenhouse gases in the world's cities. London Mayor Boris Johnson says the leaders hope to agree on ways to end the world's end
VOA标准英语2009年(五月)
Small Electric Jolts Reset Heart Rhythm in Animals For decades, a powerful electric shock has been a standard way to treat someone whose heart has stopped. But a new study suggests normal heart rhythm can also be restored through a rapid series of sa
VOA标准英语2011年(七月)
Auto experts say electric vehicles are a practical alternative to gasoline-powered cars, at least for some drivers. The biggest challenge for the auto industry is expanding the infrastructure for recharging the vehicles. With last year's release of t
VOA标准英语2011年(三月)
'Revenge of Electric Car' Takes a Wild Ride In his 2006 documentary, Who Killed the Electric Car , filmmaker Chris Paine examined the birth and premature death of battery electric cars in the mid-1990s. Now Paine is back with the commercial release o
VOA标准英语2011年(十月)
Graphene Called Amazing, Versatile Material of the Future 前景光明的多功能材料石墨烯 In 2004, two scientists at the University of Manchester in England isolated a carbon-based material called graphene, with some unusual properties. Andre
VOA标准英语2014年(二月)
Scientists Create Blackest Material Ever Of all the black things in the universe only the infamous black holes are so black that not even a tiny amount of light can bounce back. But scientists have managed to create material almost as black, and it h
VOA标准英语2014年(七月)
Stony Plain Records Releases New Electric Blues Albums With veteran guitarist, singer and bandleader Duke Robillard you indeed get a healthy dose of blues, but youre also treated to his signature blend of RB, rock, jazz and Tex-Mex. Dukes guitar riff
VOA标准英语2013年(五月)
Innovative Electric Aircraft Win Green Flight Challenge We often hear about hybrid cars, which run in part on electricity and can travel about 20 kilometers on a liter of fuel. Engineers are also experimenting with another mode of electric transporta
VOA标准英语2011年(十月)
有关于外贸跟单英语口语60句 1．whats the size?多大尺寸？ 90x90 (ninety by ninety)九十乘九十。 2．whats the cmb? 体积多大？ 0.07m3 (zero point zero seven cube meter) 0.07立方米。 3．whats the best/last price? 最低价是
天天商务口语
The APP, 'zenkr', allows students to participate in class, not through a show of hands, but by communicating through their smartphones. Users scan a QR code projected on screens with their smartphones or other devices and then answer questions. The r
英语新闻
Chinese Want Electric Cars, Americans Not So Much Citizens of which country are most likely to buy or at least consider purchasing a plug-in vehicle than any other nation? According to a recent survey conducted by Ernst Young's Global Automotive Cent
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文本： H: Come in. A: Doing your homework? H: Yeah. What's up? A: I was just reading some material on this truth up day. Figure if I'm going to supervise, I... H: You really don't have to go. I mean, it sounds pathetic. A: No, I want to go. I need
跟着美剧练发音
雾霾 haze; 烟雾 smog; 空气污染指数 air pollution index; 橙色预警 orange alert; 悬浮颗粒物 airborne particulate matter; 可吸入颗粒物 inhalable particle; 有毒物质 toxic substance; 空气质量检测 air quality monitoring; 实
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