Rosanna and Forbes walked in silence for some while.罗莎娜和福布斯默不作声地走了一会儿。Rosanna stifled a huge yawn.罗莎娜想打个大哈欠，但强忍住了。I thought directly of Rosanna Spearman.我顿时就想到罗姗娜·史柏尔曼....
The process of chlorine leaching - purification - electrowinning for nickel extractioncopper residue is investigated.研究通过氯气浸出 - 净化 - 不溶阳极电积法生产电镍的工艺过程.The research results of recovering copper by electrowinning from conce...
The killings in Vilnius have precipitated the worst crisis yet...维尔纽斯的几起谋杀事件导致了迄今为止最严重的危机。The killings in Vilnius have precipitated the worst crisis yet.维尔纽斯的几起谋杀事件导致了迄今为止最严重的危机。He lost his footing and was precipitated t...