单词：effectiveness of precipitation
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Lesson Six Text A Diamonds Diamonds are rare, beautiful, and also quite useful. They are the hardest substance found in nature. That means a diamond can cut any other surface. And only another diamond
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There's a disturbing side to the diamond trade--- the traffic of conflict diamonds, otherwise known as blood diamonds. This is Freetown, the capital of Sierra Leone on the West African coast, a country still emerging from ten years of war. During tha
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A: 欢迎大家来到这期的美语训练班! 我是杨琳! B: 大家好，我是Jo! 从今天开始， 我来给Kat代班，希望大家多多支持! A: 放心，有我罩着你，你肯定没问题的拉! B: 哈哈，你可得说到做到! 快来说
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By Selah Hennessy Dakar 09 November 2007 The Republic of Congo has rejoined the Kimberly Process, a global watchdog group designed to stop the flow of conflict diamonds. Analysts say the move shows controls on the diamond trade in the country are imp
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送你一颗大钻戒 Chipmunk - Diamond Rings I ryhme ryhme, thats why I shine shine, and you can roll anyone of my shows, no lights in my bag no eye sight I gotta keep on ryhmin' man, so i keep on shinin man I aint gonna be a one hit wonder, I am f
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