By Gary Garriott Broadcast: September 15, 2003 This is Robert Covent with the VOA Special English Development Report. 1)Clay is found almost everywhere in the world. It is formed by the action of wind

发表于:2018-12-01 / 阅读(469) / 评论(0) 分类 VOA2003(下)-发展与科学

This is the VOA Special English Development Report. Clay is found almost everywhere in the world. It is formed by the action of wind and water on rocks over thousands of years. The rocks change in both chemical and physical ways. Chemically, element

发表于:2018-12-15 / 阅读(48) / 评论(0) 分类 VOA慢速英语2008年(八)月

Broadcast: May 5, 2003 By Jill Moss This is the VOA Special English Development Report. Each year more than two-million people die from diseases caused by drinking dirty water. That is the estimate of

发表于:2019-01-04 / 阅读(78) / 评论(0) 分类 VOA2003(上)-社会广角

This is the VOA Special English Development Report. Clay Clay is found almost everywhere in the world. It is formed by the action of wind and water on rocks over thousands of years. The rocks change in both chemical and physical ways. Chemically, el

发表于:2019-01-11 / 阅读(48) / 评论(0) 分类 VOA慢速英语2009年(九)月

DEVELOPMENT REPORT - Working With Clay: A How-to GuideBy Gary Garriott Broadcast: Monday, January 09, 2006 I'm Steve Ember with the VOA Special English Development Report. Clay is found almost everywh

发表于:2019-01-16 / 阅读(71) / 评论(0) 分类 2006年慢速英语(一)月

Lesson 43 A Lump Of Clay 第43课 一块粘土 Do you know where clay comes from? If you take a long walk near the town in which you live, you will very likely find some deep hole or pit in the ground from which men are digging out the stuff we call

发表于:2019-02-13 / 阅读(50) / 评论(0) 分类 英国学生科学读本