单词：metal powder magnet
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Scrap-Metal Separation May Become Cheaper 新技术降低废金属分离成本 According to the Environmental Protection Agency, the United States throws 14.8 million tons of scrap metal into landfills every year. One of the main reasons is the diffi
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说一口流利的英语，从简单的单词开始。 听听，读读，背背，今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 kiss [ kis ] A soft wind kissed the tr
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EDUCATION REPORT -August 8, 2002: Magnet Schools By Jerilyn Watson This is the VOA Special English Education Report. Many American students attend public schools called magnet schools. They are called
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AS IT IS 2015-03-25 Scrap Metal Separation May Become Less Costly 废金属分离技术成本可能会降低 Recycling, or re-using, metals is much less costly than making them from raw materials in the Earth, called ore. But when old cars, household
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AUDIE CORNISH, HOST: Each year, malaria kills about half a million people around the world. Health officials say a fast, cheap, accurate way to test for malarial infection would be extremely helpful in combating the disease. As NPR science correspond
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今天我们要学的词是magnet。 Magnet, 吸铁石，引伸为有吸引力的人或物。英国石油公司同意设立一个200亿美元的基金，赔偿石油泄露事件的受害者。有专家警告说， The $20 billion relief fund will be
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