单词：ground-beef
[网络] 碎牛肉；已铰好的牛肉；绞牛肉
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WORD LIST civilization equator equatorial stretch degree tropical percent desert vegetation shrub gazelle hare survive shade temperature portion rainfall plateau tree-dotted herd antelope variety zebra giraffe rhinoceros leopard hyena cradle characte
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By Nico Colombant Dakar 29 November 2007 African government officials, economists and scientists have met for three days in Burkina Faso to discuss the local production and use of biofuels. VOA's Nico Colombant reports from our West and Central Afri
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This is Scientific American's 60-Second Science. I am Adam Hamterture, got a minute? What's sixteen feet tall and 9,550 years old? Its the world's oldest tree. The worn and weathered spruce grows in Sweden's windswept tundra. But, until recently, wel
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考试大纲规定，考生们除了掌握考试大纲规定的5500个基本词汇以外，还应掌握词汇之间的词义关系，如同义词、近义词、反义词等。因此，考生在复习单词时，不仅要记词更要学会去辨析，尤
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