单词：metal materials
单词：metal materials 相关文章
By Gary Garriott Broadcast: November 3, 2003 This is Steve Ember with the VOA Special English Development Report. People have been recycling metals for hundreds of years. Today, re-using metal waste o
VOA2003（下）-发展与科学
By Roger Hsu Mephis, Tennessee 17 August 2006 watch Museum report The National Ornamental Metal Museum in Memphis is devoted to the conservation and advancement of metalwork. It is a place where metal smiths become synonymous with artists and where
2006年VOA标准英语（八月）
[全屏观看] 点击右键- 另存为 可保存这个Flash影片 Description: Metal Sonic is flying through space and comes to an asteroid field, you need to help him blast his way through without getting hit or its game over. Instructions: Move: Up
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Recycling 回收利用 People make old things into new things, this is called recycling. 人们把旧物翻新称为回收利用。 People can recycle only some materials, such as paper, glass, plastics, clothing, computers, cellphones and metal. 只有
与美国小学生一起学英文第1册
Staying with the precious metal, and Chinas largest gold company says the country will surpass India to become the top consumer of gold in the world. In the first three quarters of this year, China produced 284 tons of the yellow metal, a nine percen
英语演讲
By Naomi Schwarz Dakar 11 December 2006 The outside world has long looked to Africa as a source for raw materials. In Senegal, Indian firms are buying up metric tons of recycled metal, including aluminum. For VOA, Naomi Schwarz visited an aluminum p
2006年VOA标准英语（十二月）