单词：crevalles
单词：crevalles 相关文章
Severe Drought, Wildfires Threaten Water Resources This is Valles Caldera. Actually, it's the giant mouth of a dormant super volcano that last erupted 40,000 years ago. In the millennia since then, the terrain developed high-elevation forests, of abu
VOA标准英语2012年(一月)
Try the red planet for sight-seeing on an enormous scale. Thanks to our sharp-eyed spacecraft, Mars is opening up like never before. These are real landscapes that humans will one day marvel at in person. You know, if youre going to Mars, youre going
自然百科2012年
A twenty-year-old woman has been appointed as police chief of one of Mexicos most violent border towns. Criminology student Marisol Valles Garcia is about to get a quick lesson in the harsh realities of keeping the peace in a state overrun by drug tr
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