单词：spheroidal-graphite cast iron
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I once caught a very big fish with this. 我曾经用这个钓到过一条大鱼。 Now I want you to have it. 现在，我希望把它给你。 It will bring you luck. 它会给你带来好运的。 I'm a real fisherman now. 我现在是一个真正的
天才宝贝熊
By Naomi Schwarz Northern Mauritania 17 October 2007 In arid Mauritania, where Sahara desert meets Sahel grasslands, a train stretching up to two and one half kilometers snakes along the northern border. Built to carry iron ore from mines in the nort
2007年VOA常速英语（十月）
Cast Iron Revival Keeps US Foundry Cooking Tucked between the Tennessee River and the hills of Marion County lies the small town of South Pittsburg, Tennessee. Home to just 3,200 people, it has one claim to fame: a metal foundry called Lodge Cast Iro
VOA标准英语2011年(七月)
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
Danny: Youre going to the prom . How exciting! How should we style you hair? Clarissa: Im really not sure. I was hoping you would have some ideas. Danny: I do, but first we need to see if we have the right tools. Lets look in your bathroom. Heres som
地道美语播客
iron and steel industry 钢铁工业 ironworks 铁厂 foundry 铸造车间 steelworks, steel mill 钢厂 coking plant 炼焦厂 electrometallurgy 电冶金学 powder metallurgy 粉末冶金学 blast f
英文语法词汇