单词:air-lock device
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在这个有趣演讲中,生物学家Ameenah Gurib-Fakim介绍了在孤岛和非洲大陆上的稀有植物。其中包括变形树,或许能治疗哮喘的小岛香油膏,以及能解决未来食品危机的猴面包树和猴苹果
Vice President Johnson, Mr. Speaker, Mr. Chief Justice, President Eisenhower, Vice President Nixon, President Truman, Reverend Clergy, fellow citizens: We observe today not a victory of party, but a celebration of freedom -- symbolizing an end, as w
THIS IS AMERICA - Latinos Grow in Influence; Say 'Hola' to America's Largest Minority Now By Jerilyn Watson Broadcast: Monday, June 20, 2005 (MUSIC) VOICE ONE: Welcome to THIS IS AMERICA in VOA Specia
By Barry Unger Washington 14 December 2007 The year 2007 saw the passing of many well-known international figures who left a lasting impression. VOA's Barry Unger takes a look back at some of these people. Jim Bertel narrates. Former Russian Presiden
The Worrler of Qi A man of the state of Qi was afraid that the sky would fall down and the earth would cave in.The thought that he would not be able to find shelter when that happened worried him so much that he had no appetite for food and slept v
Hola amigo! 我们今天一起来看看美国人常用的外来语! 1) Hola! 你好!2) amigo 朋友 3) Mi casa es su casa= My home is your home = 我的家就是你的家 4) gracias 谢谢 5) de nada 不客气 6) Adios! 再见! 7) Bon voyage! 一