三乙基乙氧硅烷;三乙基乙氧硅

By Gary Garriott Broadcast: August 11, 2003 This is Bill White with the VOA Special English Development Report. 1)Sawdust is what remains after trees and logs are cut up into boards for building house

发表于:2018-11-27 / 阅读(483) / 评论(0) 分类 VOA2003(下)-发展与科学

Voice 1 Welcome to Spotlight. Im Liz Waid. Voice 2 And Im Ryan Geertsma. Spotlight uses a special English method of broadcasting. It is easier for people to understand no matter where in the world they live. Voice 1 One in four people in the world li

发表于:2018-12-19 / 阅读(36) / 评论(0) 分类 环球英语 Spotlight

DEVELOPMENT REPORT - Double-Drum Sawdust Stove By Gary Garriott Broadcast: Monday, September 27, 2004 This is Steve Ember with the VOA Special English Development Report. Sawdust is what remains after

发表于:2019-01-02 / 阅读(77) / 评论(0) 分类 农业与发展

Broadcast: Feb 13, 2003 Demand for electricity is growing in Mexico, but the state-owned oil company, known as Pemex, is reducing the amount of natural gas it can provide for electrical generation. Th

发表于:2019-01-03 / 阅读(70) / 评论(0) 分类 VOA2003(上)-国际时讯

By Robert Berger Jerusalem 02 April 2008 Israel is strengthening security on its home front in a sign of war jitters. As Robert Berger reports from VOA's Jerusalem bureau, Israel is casting a wary eye toward Iran. Israel's security Cabinet has decide

发表于:2019-01-30 / 阅读(74) / 评论(0) 分类 VOA常速英语2008年(四月)

Last week, Shell celebrated the discovery of gas in New Zealand 40 years ago. In 1969, gas was discovered off the coast of Taranaki on the west coast of the North Island. At that time, it was one of the biggest gas discoveries in the world. Ten years

发表于:2019-02-17 / 阅读(25) / 评论(0) 分类 新西兰英语