Aluminum is made from bauxite.铝是从铝土矿中提炼出的.The seven leading bauxite exporters formed the International Bauxite Association.七个主要的铝矾土出口国组成国际铝矾土协会.Industry: petroleum, diamonds, iron ore, phosphates, feldspar, bauxite, uran...
The structure, the principle of work, bauxite floatation of BF - L floatation machine were presented.本文介绍了BF -L 型浮选机的结构特点, 工作原理及铝土矿选矿的适应性研究.The seven leading bauxite exporters formed the International Bauxite Association...
他走进拴马的小马厩，套上马具，骑上马奔向海滩。He went to the small stable where his horse was, harnessed it, mounted, and rode out to the beach.我用来拴马的木桩在哪里?Where is the hitching post where I can tie my horse?...
the transitory nature of his happiness他的幸福昙花一现In the final analysis, most of life's joys are transitory.归根结底, 尘世间的欢乐大多是过眼烟云,转瞬即逝.Most teenage romances are transitory.绝大多数青少年的恋情都转瞬即逝。...
He can perform an astonishing variety of acts, including mime and juggling.他能表演好几种令人惊叹的把戏，包括哑剧和玩杂耍。"State-owned industries will always perform poorly," John Moore informed readers.“国有企业经营不善将是常态，”约翰·穆尔告诉读者。When there'...