Human parents usually have one or sometimes two offspring at a time, and when babies get delivered we pour all our energy into child rearing. But other animals raise lots of babies at once. And the weaker individuals can be at a big disadvantage. If

发表于:2018-12-02 / 阅读(58) / 评论(0) 分类 2016年Scientific American(十二)月

By VOA Sports Washington, DC 23 January 2008 WorldNo. 1men's tennis player Roger Federer of Switzerland continued defense of his Australian Open title with a 7-5, 7-6, 6-4 quarterfinal victory over American James Blake Wednesday in Melbourne. Federer

发表于:2019-01-13 / 阅读(35) / 评论(0) 分类 VOA标准英语2008年(一月)

By VOA Sports Washington, DC 04 January 2008 The U.S. team of Mardy Fish and Serena Williams has beaten top-seeded Serbia to win the Hopman Cup mixed team tennis competition in Perth, Australia. It was the fifth time an American team has won the even

发表于:2019-01-16 / 阅读(31) / 评论(0) 分类 VOA标准英语2008年(一月)

Keeping up with the Joneses是一个典型的美式习语,表示“和你的富裕邻居保持同等的生活方式或质量”,这其实是一句讽刺的话,指“和左邻右舍比排场比阔气

发表于:2019-01-18 / 阅读(141) / 评论(0) 分类 英文语法词汇

By Phuong Tran Dakar 15 March 2007 In some parts of Africa, divorce is still considered a scandal. But, as more couples move to Africa's rapidly growing cities, divorce has become less of a cultural shock. Although female divorcees in rural communit

发表于:2019-02-02 / 阅读(122) / 评论(0) 分类 2007年VOA标准英语(三月)

KELLY MCEVERS, HOST: This week, two stories about Hollywood and tech. First we start with a big hack. (SOUNDBITE OF SONG, YOU'VE GOT TIME) REGINA SPEKTOR: (Singing) The animals, the animals trapped, trapped, trapped till the cage is full. ROBERT SIEG

发表于:2019-02-13 / 阅读(30) / 评论(0) 分类 2017年NPR美国国家公共电台5月