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THIS IS AMERICA - The Lost Colony

THIS IS AMERICA -March 4, 2002: The Lost Colony By Jill Moss . . . . . . . Broadcast: March 4, 2002 VOICE ONE: In Fifteen-Eighty -Seven, more than one-hundred men, women and children sailed from Brita

发表于:2019-01-02 / 阅读(113) / 评论(0)

This is America

SSS 2009-08-11

Its been called the vine that ate the south. Kudzu grows so fast it can completely cover a cabin in the woods in a couple of days. The invasive plant takes over another 150,000 acres every year. Which costs another $6 million to control. But plant pa

发表于:2019-01-08 / 阅读(71) / 评论(0)

Scientific American(八)月

VOA慢速英语-THIS IS AMERICA - America's 'Lost Colony': A Story W

Welcome to THIS IS AMERICA in VOA Special English. I'm Steve Ember. VOICE TWO: And I'm Faith Lapidus. Roanoke Island is off the mid-Atlantic coast of the United States, in North Carolina. In fifteen eighty-seven, more than one hundred people arrived

发表于:2019-01-11 / 阅读(77) / 评论(0)

VOA慢速英语2008年（八）月

VOA慢速英语2009年-THIS IS AMERICA - America's 'Lost Colony':

VOICE ONE: Welcome to THIS IS AMERICA in VOA Special English. I'm Steve Ember. VOICE TWO: And I'm Faith Lapidus. Roanoke Island is off the mid-Atlantic coast of the United States, in North Carolina. In fifteen eighty-seven, more than one hundred peo

发表于:2019-01-11 / 阅读(51) / 评论(0)

VOA慢速英语2009年（八）月

美国国家公共电台 NPR In The Battle To Save Frogs, Scientists Fight Fungus With Fungus

In The Battle To Save Frogs, Scientists Fight Fungus With Fungus play pause stop mute unmute max volume 00:0003:47repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash

发表于:2019-01-16 / 阅读(56) / 评论(0)

2016年NPR美国国家公共电台9月

DEVELOPMENT REPORT - Fungus Seen as Possible New Weapon Agai

DEVELOPMENT REPORT - Fungus Seen as Possible New Weapon Against Malaria By Jill Moss Broadcast: Monday, July 11, 2005 I'm Steve Ember with the VOA Special English Development Report. Some kinds of fun

发表于:2019-01-30 / 阅读(46) / 评论(0)

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attenuation mean free path