单词：barytocalcite
音标：[bә,raitә'kælsait] ；
斜钡钙石, 钡文解石
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DAVID GREENE, HOST: So every time you weigh something, whether it's coffee or bananas - I'm not sure what you're weighing - you might be doing it in pounds - well, whatever you're doing, you're unknowingly relying on a global system of measurement th
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By Lisa Bryant Paris 15 October 2007 German and Russian leaders are holding talks in Wiesbaden, Germany, at a time when Moscow and the European Union disagree on several critical issues, including Kosovo and energy. Lisa Bryant has more on the meetin
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2007年VOA常速英语（十月）
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英语单词荟萃
英语单词荟萃