An Underground World: Carlsbad Caverns National Park 地下王国:卡尔斯巴德洞窟国家公园 This week, we explore a national park -- and UNESCO World Heritage Site -- in the American Southwest. This national park, near the city of Carlsbad, N

发表于:2018-12-08 / 阅读(32) / 评论(0) 分类 2016年VOA慢速英语(五)月

THIS IS AMERICA - Another World, Underground: Carlsbad Caverns National Park in New Mexico BOB DOUGHTY: Welcome to THIS IS AMERICA in VOA Special English. I'm Bob Doughty. BARBARA KLEIN: And I'm Barbara Klein. This week on our program, we explore a U

发表于:2018-12-16 / 阅读(45) / 评论(0) 分类 2011年VOA慢速英语(四)月

VOICE ONE: Welcome to THIS IS AMERICA in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Barbara Klein. This week on our program, we explore a UNESCO World Heritage Site in the American Southwest, near the city of Carlsbad, New Mexico. Carl

发表于:2019-01-11 / 阅读(63) / 评论(0) 分类 VOA慢速英语2008(十)月

VOICE ONE: Welcome to THIS IS AMERICA in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Barbara Klein. This week on our program, we explore a UNESCO World Heritage Site in the American Southwest, near the city of Carlsbad, New Mexico. Carls

发表于:2019-01-11 / 阅读(248) / 评论(0) 分类 VOA慢速英语2009年(十二)月

Another World, Underground: Carlsbad Caverns National Park 美国西南部的一处UNESCO世界遗产 Welcome to This Is America with VOA Learning English. This week on our program, we explore a UNESCO World Heritage Site in the American Southwest, n

发表于:2019-01-11 / 阅读(39) / 评论(0) 分类 2013年VOA慢速英语(八)月

THIS IS AMERICA - Another World, Underground: Carlsbad Caverns National Park in New Mexico BOB DOUGHTY: Welcome to THIS IS AMERICA in VOA Special English. I'm Bob Doughty along with Barbara Klein. This week on our program, we explore a UNESCO World H

发表于:2019-01-12 / 阅读(58) / 评论(0) 分类 2012年VOA慢速英语(九)月