单词：precious-metals recovery
单词：precious-metals recovery 相关文章
Scientists Find Large Amounts of Precious Metals in Wastewater In recent months, stories about sewers getting clogged have made international headlines. For example, a so-called fatberg, a mass of grease and diapers, clogged London's sewers. A new st
2017年VOA慢速英语(十一)月
By George Dwyer Washington, DC 29 May 2006 watch Gold Prices report Last week the price of gold on the New York Mercantile Exchange declined by 7 and a half percent, the most since 1990. By Wednesday of this week it was down again: 13 percent off fr
2006年VOA标准英语（五月）
This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Thars gold in them thar hillsand we may have meteorites to thank. Because it appears that a rain of meteors nearly 4 billion years ago peppered the Earths
Scientific American(九)月
Full recovery for two hearts girl Hannah's story: I was the first one, I didn't know what was going to happen A 16-year-old girl from Wales who made history when, as a baby, she had a donor heart grafted （接枝） onto her own has made a full recover
英语新闻
STOCKHOLM, Jan. 11 (Xinhua) -- Iceland appreciates（感谢） IMF's approval of the 4th review of Iceland's economic recovery program, said Arni Pall Arnason, Icelandic minister of economic affairs on Tuesday. The approval（批准） of the review
英语新闻
MILAN, Italy, Feb. 5 (Xinhua) -- Italy's fashion world can kickstart a recovery process this year with a flywheel effect on the recession-hit country, the chairman of the National Chamber of Italian Fashion (CNMI) Mario Boselli said on Tuesday. Bosel
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