单词：nonheme-iron chromophore
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Road to the white house [00:01.16]纷纷扰扰白宫路上 [00:02.32]It's hard enough for any of us to understand this election.Imagine trying to explain it to someone from a foreign country. [00:05.85]对这场大选，我们美国人自己理解起来
零距离李阳疯狂英语口语
By Jim Malone Washington 27 February 2007 One of the big winners at this year's Academy Awards in Hollywood was former Vice President Al Gore. Gore was featured in a film about global warming called An Inconvenient Truth, which won the Oscar for bes
2007年VOA标准英语（二月）
Today we're going to learn a lesson about pronouns from the delightful, inspiring, and just a tad grammatically incorrect Olympics theme song. Does the Olympic Theme Song, I Believe, Have a Grammar Error? I believe in the power that comes From a worl
英语语法 Grammar Girl
An Iron ore index has now been launched here in China. As CRI's Wei Tong reports, it's designed to give Chinese companies a bigger say over the pricing of the key component in the production of steel in the international market. The index consists of
世界各地新闻集锦
China's iron ore manufacturers say they're struggling to keep their businesses afloat because of high costs and taxes while production is on the rise for the sector's global giants. Brazil's Vale SA is the world's largest iron ore producer and it say
cctv9英语新闻2015年
Iron ore prices slumped as much as 50 percent in 2014. Importers who are facing risks of further declines, are remaining cautious holding lower inventory levels. Shipping companies and steel producers are also suffering from the dampening market. It'
cctv9英语新闻2015年