The research results of recovering copper by electrowinning from concentrated cyanide solution were described.叙述了从富集氰化废液中电解回收铜的试验研究结果.Zinc base die castings are always copper plated in cyanide baths.锌基合金的压铸件总是在氰化镀液中镀铜.Th...
The police say he swallowed a cyanide capsule to avoid arrest.警察说他为了逃避逮捕就吞了一颗氰化物胶囊。Someone had fed him a lethal dose of cyanide.有人给他下了致命剂量的氰化物。Cyanide is used to kill insects.氰化物可用来杀害虫....
孩子们正在小土墩上玩.The children are playing on the mound.鼓励他爬过有些松土的小土墩或是树墩.Encouage him to climb over a little mound of dirt or log.他们堆了些小土墩来隐藏.They built small mounds to hide behind....
The Coptic Church is among the oldest churches of Christianity.科普特教会是最古老的基督教会之一。Jerusalem is Christianity's most venerated place.耶路撒冷被基督徒奉为圣地。He converted to Christianity that day.那天，他皈依了基督教。...