West Africa was the pivot of the cocoa trade.西非是可可豆贸易的中心。The pedal had sheared off at the pivot.踏板在枢轴处断裂了。Forming the pivot of the exhibition is a large group of watercolours.整个展览的重点是一大组水彩画。...
许多金属冶炼操作中需要碳作为还原剂.Carbon is needed as a reducing agent in many metallurgical operation.氧化铝的进口禁令严格限制生产能力在100,000吨以下的冶炼商.Alumina import bans have been exacted against smelters with capacity below mts.本文介绍了铝硅热法生产高钨铁的工艺研究情况,...
Animation has stopped being eye-candy for kids and geeks and become mainstream entertainment.动画不再仅仅吸引小孩子和动漫迷的眼球，而成了主流娱乐方式。It'sounds to me like two math geeks who don't date much.这听起来象两个很少约会的数学小丑.We're like...