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Belly up, the fish is back lit and easier for him to see. Get it, get it, get it... Over there, go get it, go go... Oh, he missed it. It's very behind you. We can get it. Little Samu is just starting to use his sonar, but perfecting it will take some
自然百科2013年
AA: Im Avi Arditti with Rosanne Skirble, and this week on Wordmaster -- a tribute to Allen Walker Read, who died this month at the age of 96. Mr. Read devoted his life to a kind of linguistic detective work on the origins of American speech. RS: As a
英语单词大师-Word Master
Tracing Ones Genealogy Aaron: Do you think you can help me trace my genealogy? Corrie: Sure, I can try. We can get started by talking to your parents and grandparents. Oral interviews will give us some names of your relatives. Aaron: Ive already talk
2015年ESL之日常生活
我们多数人都知道应该控制能源的使用，但我们首先应该知道怎样做才是最好的方式。 Most of us know we should rein in our energy use. But to be successful, itd help if we knew the best way to do it. So scientists asked
60秒科学
Most of us know we should rein in our energy use. But to be successful, itd help if we knew the best way to do it. So scientists asked more than 500 people, Whats the most effective thing you can do to conserve energy? The results were illuminating. 很
实用英语
Artist James E. Taylor produced this sketch of the Freedmen's Bureau office in Richmond, Virginia, issuing food rations to old and sick former slaves in 1866 Some Americans can trace their heritage back to what we sometimes call the old country from
VOA标准英语2010年(一月)