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[0:0]arithmetic arouse arrange算术 引起,唤起 安排,准备 [0:37.8094]arrest artificial artistic aspect逮捕,拘留 人工的,人造的 艺术的,美术的 方面,面貌 [1:31.0307]assemble assembly assess asset混合,聚集 立法机构,议会 对...估价 人价值的,优点 [2:22.6436]as

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Scientists at the Massachusetts Institute of Technology (MIT) have created what could be a breakthrough in providing clean, alternative energy. Researchers have invented an artificial leaf that splits water into hydrogen and oxygen and stores the ene

VOA标准英语2015--Researchers Create Artificial Skin With Sense of Touch

Researchers Create Artificial Skin With Sense of Touch Scientists have recently made considerable gains in creating human-like artificial limbs, but they still look and feel artificial. That could change with a development from South Korea. Researche

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英语听力文摘 English Digest 612、可怕的天花

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CNN 2012-01-12

Next time your parents tell you a penny save does a penny earn,you tell them not always!!We're gonna tell you how much more a peny is worth a little later on today.CA, welcome to a new week of CNN student news. First up today,we are talking about U.S

2006年VOA标准英语-Scientists Study New Technique to Vaccinat

By David McAlary Washington 23 May 2006 Chickens at US farm Scientists have developed an efficient, cheap way to vaccinate birds against avian influenza and possibly prevent the spread of the deadly H

VOA标准英语2012--Global Plan to Control Measles Launched

Global Plan to Control Measles Launched Measles, one of the most infectious diseases on the planet, is a leading cause of death and disability among children worldwide, especially in the developing world, even though a safe and cost-effective vaccine

Artificial Leaf Turns Sunlight into Electric Power

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VOA标准英语2011--Artificial Blood Vessels Work Well, Have

Scientists say they have successfully tested artificial blood vessels grown in the laboratory. In a heart bypass operation, surgeons typically remove a vein from a patient's leg and use it to replace blocked arteries that feed the muscles of the hear

美国国家公共电台 NPR Invisibilia: Inspired By 'American Idol,' Somali TV Show Aimed To Change The World

ARI SHAPIRO, HOST: NPR's podcast Invisibilia is back with its fourth season. And today they have the story of a reality show in the Horn of Africa that set out to change our culture. It led NPR's Alix Spiegel to ask, can telling a certain kind of sto

VOA常速英语2008年-Rat Study Links Weight Gain to Artificial Sweet

By Melinda Smith Washington, DC 15 February 2008 Obesity is becoming a worldwide problem, even in developing countries. But diet drinks and food prepared with sugar substitutes do not seem to help curb people's appetites. Now a new study may provide

2006年VOA标准英语-Millions Benefit From Measles Campaign in Niger

By Gilbert da Costa Abuja 08 October 2006 Five year-old Abubaker Kabir who is suffering from measles receives medication while his mother Ladi Kabir, left, watches in Kano hospital, Nigeria (File photo) In Nigeria, health officials who have fanned o

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