The sulfide assemlage consists largely of pyrrhotite, pentlandite, chalcopyrite, and pyrite.硫化物集体大部由磁黄铁矿 、 镍黄铁矿 、 黄铜矿及黄铁矿组成.Pyrite is more abundant and cobaltiferous and occurs in heavy patches in the sulfide mass.黄铁矿很多,...
像水一样无色的液体a colourless liquid like water将无色的小片状物过滤出来,用冷的甲醇洗涤.The colorless platelets were filtered washed with cold methanol.胂是一种无色的有毒的气体需要小心地对待.Arsine is a colorless, poisonous gas that requires careful handling....