单词：hydrocarbon water gas process
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By Gary Garriott Broadcast: August 25, 2003 This is Steve Ember with the VOA Special English Development Report. Freezing can keep food fresh and safe to eat. Freezing lowers the food temperature belo
VOA2003（下）-发展与科学
If the salinity of ocean waters is analyzed, it is found to vary only slightly from place to place. Nevertheless, some of these small changes are important. There are three basic processes that cause a change in oceanic salinity. One of these is the
新概念优美背诵短文50篇
Scientists have come up with a revolutionary new use for wood. They have devised a way to make it transparent. This could totally change the way many things in our lives are used and made. See-through wood could one day replace glass and be used in w
英语科技新闻
Scientists have traveled to the mountains of Oman to find a way to remove carbon dioxide gas from the atmosphere. 科学家们前往阿曼山寻找去除大气中的二氧化碳气体的方法。 The geologists hope to find an effective and low-cost
2017年VOA慢速英语(四)月
梁丽萍老师根据网友和学生回忆的版本还原出了以下的简约版流程图，并附上了参考范文，供考生们参考。 The diagram illustrates how rain water is processed into drinking water by using different facilities in an
雅思机经
If the salinity of ocean waters is analyzed, it is found to vary only slightly from place to place. Nevertheless, some of these small changes are important. There are three basic processes that cause
新东方背诵文选
DEVELOPMENT REPORT - Freezing Food By Gary Garriott Broadcast: Monday, December 27, 2004 I'm Gwen Outen with the VOA Special English Development Report. Freezing can keep food fresh and safe to eat. F
农业与发展
A cellphone rests in its watery-grave,a distressing sight for cellphone users everywhere. But this one, isn't dead. Hello, this Alexan,thanks for calling ,welcome, how may I help you?Liquipel is a start-up company based in Santa Ana, California. It's
万花筒2012年
The Salinity of Ocean Waters If the salinity of ocean waters is analyzed, it is found to vary only slightly from place to place. Nevertheless, some of these small changes are important. There are three basic processes that cause a change in oceanic s
英语小短文
Plant Your Mobile Charger in the Dirt 智利学生研发植物充电设备--花草也可做电源 Three university students in Santiago, Chile have developed a plant-powered device to charge their mobile phones. 在智利首都圣地亚哥, 3名智利大
2016年VOA慢速英语(一)月
AS IT IS 2014-12-20 Disagreement Over Lower Mekong River Dam Project A two-day meeting in Laos has left government officials and environmental activists deeply divided. The meeting was called to examine plans for a 260 megawatt dam on the Lower Mekon
2014年VOA慢速英语(十二)月
Environmentalists claim the drilling could contaminate New York's unfiltered drinking water sources with dangerous chemicals and radioactivity Carolyn Weaver | New York 24 December 2009 Photo: Sabine Aronowsky Manhattan borough president Scott String
VOA标准英语2009年(十二月)
Explaining the process 流程解说 A: Could you explain the paper-making process to us - in very simple terms - please? A:那么能否请你简要的给我们讲解一下纸的生产流程？ B: Well, the puip falls from a box onto the first part of
职业技术英语口语
Shale gas extraction 页岩天然气开采 The need to be seen to be clean 天然气是清洁能源吗？ Natural-gas production is booming, but its green image is in question 天然气生产蒸蒸日上，但它的清洁能源形象却受到质疑 M
经济学人综合
JEFFREY BROWN:And now to part two of our investigative look at the safety of America's drinking water. Science correspondent Miles O'Brien reports on the toxic chemical made famous in the movie Erin Brockovich, its potentially harmful effect on human
PBS访谈环境系列
JUDY WOODRUFF: A few drips of good news greeted residents of West Virginia today, but the fallout from last weeks chemical spill is far from over. There's finally relief for some of the 300,000 West Virginians who've been unable to drink, cook or eve
PBS访谈健康系列
Will shale gas be able to quench the energy thirst of the world's second largest economy? According to the Geological Survey of China, it may be too early to tell, but a plan is certainly now in motion. The newly released China Shale Gas Resources Su
cctv9英语新闻2015年
Researchers in Sydney are leading a new international effort to make desalination more environmentally friendly. Current techniques tend to use excessive amounts of energy or are heavily reliant on chemicals. The University of Technology in Sydney is
英语新闻
Cement is a major component of concrete, the world's most widely used man-made material, an integral part of roads, bridges and buildings. But making cement requires heating limestone and other materials to very high temperatures, a process that rele
VOA标准英语2010年(一月)
The Salinity of Ocean Waters If the salinity of ocean waters is analyzed, it is found to vary only slightly from place to place. Nevertheless, some of these small changes are important. There are three basic processes that cause a change in oceanic s
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