Some are remain length of the last ice-age, and alpine glaciers are quickly disappearing. There was hard strong evidence that years of rising temperatures are melting away austral gob ice berg glacier. Records here day back to the 19th century, and

发表于:2018-12-05 / 阅读(47) / 评论(0) 分类 国家地理2008年

Where once only salt miners traveled, today, tourists track through tunnels hundreds of feet deep into the caverns of Zipaquir mountain in Colombia. Their destination, a Catholic cathedral carved from the mineral deposits of the old mine. More than 1

发表于:2018-12-30 / 阅读(112) / 评论(0) 分类 国家地理2007年

SCIENCE REPORT – February 20, 2002: Pine Island Glacier By Jerilyn Watson This is the VOA Special English Science Report. Scientists have expressed much interest in the development of a huge new ice

发表于:2019-01-02 / 阅读(61) / 评论(0) 分类 科技之光

Glacier Bay: A Land Reborn This week in our travels through Americas national parks, we revisit the state of Alaska. The northernmost state is home to eight major national parks. Today, we visit one of its most famous parks Glacier Bay. This huge par

发表于:2019-01-12 / 阅读(62) / 评论(0) 分类 2016年VOA慢速英语(十一)月

我们今天要学的习惯用语都包括这样一个关键词汇,salt。 Salt这个词大家都熟,是盐。人们在生活中少不了它,一切活细胞也都需要它,人们意识到盐的重要性已经有好几个世纪了,所以由s

发表于:2019-01-14 / 阅读(101) / 评论(0) 分类 美国习惯用语

从柴米油盐说起 中国人用柴米油盐酱醋茶概括了生活所必须的点滴琐事,所以,一说起柴米油盐,说汉语的人头脑中第一印象就是过日子。 其实不只是中国人,全人类又何尝不是如此呢?不同

发表于:2019-02-17 / 阅读(58) / 评论(0) 分类 英文语法词汇