音标:[,ɔ:rәu'klɔ:raid] ;
[机] 氯亚金酸盐
n. The trichloride of gold combination with the chloride
of another metal, forming a double chloride; -- called also
chloraurate.

Africa's top peace and security body will hold a special heads-of-state level meeting on Zimbabwe during a continental summit this weekend in the Egyptian resort of Sharm el-Sheikh. From the summit site, VOA's Peter Heinlein reports leaders are to c

发表于:2018-12-08 / 阅读(41) / 评论(0) 分类 VOA标准英语2008年(六月)

By Gilbert da Costa Abuja 26 April 2006 Majzoub Al-Khalifa, head of the Sudanese government's delegation (center) Warring parties from Western Sudan's devastated Darfur region and government represent

发表于:2019-01-13 / 阅读(106) / 评论(0) 分类 2006年VOA标准英语(四月)

Every winter some twenty million tons of salt are dumped on America's road.That sodium chloride melts the ice, so it prevents its formatin, helping to prevent accidents. But road salt has its downside. This is not very economical because salt is main

发表于:2019-01-20 / 阅读(105) / 评论(0) 分类 2016年Scientific American(一)月

This week on Why Tell Me Why, we are finding out why the oceans are so salty. So the oceans are salty because the oceans have been around, lets say, for over five hundred million years. And over the course of time what we found out is that weve alway

发表于:2019-01-22 / 阅读(60) / 评论(0) 分类 自然百科2009年

By Noel King Nyala, Sudan 01 March 2007 The United Nations and international observers have identified rape as a tool used by Arab Janjaweed militias to terrorize women and girls in Sudan's war-torn Darfur region. The African Union force charged with

发表于:2019-02-08 / 阅读(90) / 评论(0) 分类 2007年VOA标准英语(三月)

First off, I'll mention that at the bottom of the sea there exist veins of zinc, iron, silver, and gold whose mining would quite certainly be feasible. 首先,我对您说,海底有锌、铁、银、金等矿藏,开发并不是不可能的事。

发表于:2019-02-25 / 阅读(117) / 评论(0) 分类 《海底两万里》中英双语有声读物