英国首相希望联合国改革(2)
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科学60秒:别把吃土的当怪人...
There’s a ___1___ that’s had scientists puzzled: the practice of geophagy—eating dirt. People around the world ___2___, and not just when they’re hungry enough to eat anything. So is there an...
文化:古巴的免费音乐会
文化:古巴的免费音乐会As many as a million Cubans are said to have attend the free concert in Havana’s revolution square that featured some of the Latin America’s most popular musicians. Many i...
经济:奥巴马推行新的经济计划
经济:奥巴马推行新的经济计划President Obama visited the Northeastern state of New Hampshire on Tuesday, to promote a plan he hopes will help ease the nation’s ten percent unemployment rate. Mr. ...
科学家启动测试世界最大的原子对撞 (2)
大型强子对撞机项目负责人利恩·伊文斯把大型强子对撞机称作是一台探索机。 提示:Lyn Evans;HiggsLHC Project Leader, Lyn Evans calls the LHC a machine of discovery. He says physicists believe they wi...