单词：glassy phosphate
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AGRICULTURE REPORT – February 12, 2002: Sharpshooters By George Grow This is the VOA Special English AGRICULTURE REPORT. Farmers in the American state of California are guarding against an insect ca
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pH - a measure of how acid or alkali a solution is. As the pH gets lower, the solution is more acid. At a pH of 7 the solution is neither acid nor alkali. pH is the inverse of the logarithm of the con
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This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a
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Matt Duke是一个自学吉他成才的歌手。《Kingdom Underground》是Duke的第一张专辑，在此之前他还发行过《XYX》和《Winter Child》。Matt Duke的音乐会让听者体味到前所未有的感觉,会给你意想不到的变化
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Matt Duke是一个自学吉他成才的歌手。《Kingdom Underground》是Duke的第一张专辑，在此之前他还发行过《XYX》和《Winter Child》。Matt Duke的音乐会让听者体味到前所未有的感觉,会给你意想不到的变化
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