单词:specular iron (hematite)
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EXPLORATIONS - Bat Populations Are Important for Agriculture and the Environment BARBARA KLEIN: Im Barbara Klein. MARIO RITTER: And Im Mario Ritter with EXPLORATIONS in VOA Special English. Today, we learn about the environmental and agricultural imp
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By Naomi Schwarz Northern Mauritania 17 October 2007 In arid Mauritania, where Sahara desert meets Sahel grasslands, a train stretching up to two and one half kilometers snakes along the northern border. Built to carry iron ore from mines in the nort
Eels,来自美国的独立乐队。乐队名字有些奇怪,因为主场的名字,Everett,被称作Mr. E,所以乐队名尤其彰显了E这个字母的存在感么~Like looking at the deep night sky / So many worlds inside her eyes,形容女
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Mars Rover Digs Trench to Search for Evidence of Water David McAlary One of the U.S. Mars rovers has spun a wheel to dig a shallow trench in the sand in the continuing search for evidence that water o