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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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Do you need eight glasses of water everyday? Tring to do the right thing by drinking eight full glasses of water everyday may do little more than making a person run to the bathroom, a researcher said. Newspaper articles, health and beauty magazines

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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

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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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Artificial Muscle Brings Back Blink A study in the Archives of Facial Plastic Surgery reports the development of an artificial muscle system that could restore the ability to blink to stroke and injury patients. Cynthia Graber reports Most of us blin

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Along the coast of the vast Atlantic ocean there lived an old man. Each day when the tide went out he would make his way along the beach for miles. Another man who lived not far away would occasionally watch as he vanished into the distance and later

TED演讲:人如果不喝水会怎么样(1)

Water is virtually everywhere, from soil moisture and ice caps, to the cells inside our own bodies. 水几乎无所不在，从土壤水分及冰帽，到人体内的细胞。 Depending on factors like location, fat index, age, and sex, the average h

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Scientists at the Massachusetts Institute of Technology have turned to Mother Nature for inspiration, inventing a device that mimics photosynthesis, the process plants use to convert sunlight and water into usable energy. MIT chemistry professor Dani

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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

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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

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Besides the fact that you'd literally die without it, there are many, MANY imperative reasons to drink water frequently, every single day. It starts out pretty mild - you might feel thirsty and have a dry mouth. But the long-term effects of not drink

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Along the coast of the vast Atlantic ocean there lived an old man. Each day when the tide went out he would make his way along the beach for miles. Another man who lived not far away would occasionally watch as he vanished into the distance and later

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Summer Solstice 夏至 Summer Solstice comes on June 21 to June 22 each year when the sun altitude arrive the highest in north. This day has the longest day time of the year in the Northern Hemisphere and the sunshine in many cities in south China ma

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WASHINGTON, April 17 (Xinhua) -- The White House on Thursday mourned the death of Gabriel Garcia Marquez, Colombia's Nobel- winning writer famed for his novel One Hundred Years of Solitude. With the passing of Gabriel Garcia Marquez, the world has lo

对这只来说有意义

Along the coast of the vast Atlantic ocean there lived an old man. Each day when the tide went out he would make his way along the beach for miles. Another man who lived not far away would occasionally watch as he vanished into the distance and later