外国→｜Madrid was hailed as a public health beacon last November when it rolled out ambitious restrictions on the most polluting cars. Seven months and one election day la…〔09-12〕

  外国→｜It is true that CEO pay has gone up—top ones may make 300 times the pay of typical workers on average, and since the mid-1970s, CEO pay for large publicly traded Am…〔09-12〕

  外国→｜They housed eight adult rats with two types of robotic rat—one social and one asocial—for four days.The robot rats were quite minimalist, resembling a chunkier vers…〔09-12〕

  外国→｜Being a good parent is, of course, what every parent would like to be. But defining what it means to be a good parent is undoubtedly very ……〔09-12〕

  中国→｜近日一组拍自南极科考站附近的照片引发关注，照片里的雪竟然不是白色的，而变成红色和绿色混杂的“ 西瓜雪”。…〔08-05〕

  唐代→｜杨巨源的《寄江州白司马》是遥寄给好友白居易的一首诗。“诗无达诂”，每一种理解都是可以，但要解释得通。无论怎么读，杨巨源的诗歌《寄江州白司马》体现对好友白居易的处境的关心、劝勉，言辞真诚恳切。…〔08-05〕

  中国→｜“诸葛孔明摆下了八阵图，叫陆逊那小子，得意洋洋，跨马而来的，只见左一块石头，右一块石头，石头，石头，石头，直弄得头都昏了。他一看来势不妙，就勒转了马头，横冲直撞，焦头烂额，逃回了原路。 ——这《三国》里的故事，你们还记得吗？…〔08-05〕

  中国→｜十八世纪德国学者莱辛的《拉奥孔》是近代诗画理论文献中第一部重要著作。从前人们相信诗画同质，直到莱辛才提出丰富的例证，用动人的雄辩，说明诗画并不同质。…〔08-05〕