The main gold bearing minerals include arsenopyrite, pyrrhotine, pyrite, galena and sphalerite.金矿的主要载金矿物分别为:毒砂 、 磁黄铁矿 、 黄铁矿 、 方铅矿和闪锌矿.Diethyldithiocarbamate was more better selective collector than Xanthate on galena.与黄药...
The workmen sawed and hammered all day.工人又锯又锤，干了整整一天。Her emotions see-sawed from anger to fear.她一会儿气，一会儿怕，情绪变来变去。We sawed the log into planks.我们把木头锯成了木板....
Two bellwethers - - Apple and Yahoo - - announced their third - quarter earnings after close of trading Tuesday afternoon.两只领头羊 - 苹果和雅虎 - 宣布其第三季度盈馀后,周二下午收盘....
She fretted, however, at last, over the lack of stability.然而她最终对颠簸的生活感到烦恼.He fumed and fretted and did not know what was the matter.他烦躁,气恼,不知是怎么回事.The wind whistled through the twigs and fretted the occasional, dirty - l...
I stood irresolute beside my car.我犹豫不决地站在我的车旁。Irresolute persons make poor victors.优柔寡断的人不会成为胜利者.The worst reason to launch an attack would be a fear of seeming irresolute.因为担心看上去缺乏决断力就发动攻击，这是最糟糕的理由。...
英国驻黎巴嫩的新任大使已将国书递交给总统。Britain's new ambassador to Lebanon has presented his credentials to the President.黎巴嫩的民兵组织已经同意从贝鲁特撤出。The militia in Lebanon has agreed to pull out of Beirut.以色列、黎巴嫩与海湾的问题一环扣一环。The problems of I...