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...
Their argument was too metaphysical for me to follow.他们的辩论太深奥,我搞不懂.The modern poets have gone back to the fanciful poems of the metaphysical poets of the seventeenth century for many of their images.现代派诗人就其许多想象又回到了十七世纪极抽...
就在那时，我恰好环顾了下四周。It was just then that I chanced to look round.然后巧克力被熔化到了恰好的温度。The chocolate is then melted down to exactly the right temperature.他恰好拥有这里一半的土地。He happens to own half the land round here....