[力] 金属材料力学

EXPLORATIONS - Singer-songwriter Sara Bareilles Reflects on Success MARIO RITTER: Welcome to the VOA Special English program EXPLORATIONS. Im Mario Ritter. Music is often called the universal language, meaning everyone can understand it. This week, w

发表于:2019-01-12 / 阅读(72) / 评论(0) 分类 2012年VOA慢速英语(三)月

Vinyl Records Making Comeback Vinyl records were the main format for commercial music distribution in the 20th century. But the big black disks, called LPs, nearly disappeared after audio cassettes and then digital media, like CDs and MP3s, took thei

发表于:2019-01-13 / 阅读(62) / 评论(0) 分类 VOA标准英语2011年(九月)

By Alisha Ryu Kajiado, Kenya 19 January 2006 The Kenyan government says 3.5 million of the country's 32 million people are in need of immediate food aid as a result of a severe drought ravaging many p

发表于:2019-01-16 / 阅读(102) / 评论(0) 分类 2006年VOA标准英语(一月)