单词：janko
单词：janko 相关文章
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
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
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
VOA标准英语2008年（一月）
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
2017年NPR美国国家公共电台5月