单词：Wismuthglanz
辉铋矿
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ARI SHAPIRO, HOST: Some of this year's best-selling writers are better known for their way with tools than words. They are stars on HGTV, the network that shows us how to buy, sell and fix up our homes. NPR's Lynn Neary looks at their transition from
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2016年NPR美国国家公共电台12月
1. The canoe was now approaching the land. The man with the carved paddle stopped. It should be somewhere here, he said. The other man had been in the fore part of the canoe, closely scrutinising the land. He had a sheet of yellow paper on his knee.
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英语PK台
By Barbara Schoetzau New York 29 February 2008 The United Nations is asking for $32 million in immediate humanitarian aid for the Central African Republic (CAR). The UN's humanitarian coordinator, Toby Lanzer, says the aid will help stabilize a volat
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VOA常速英语2008年（二月）