Associated minerals are mainly magnetite and ilmenite, subordinately pyrite and rarely chalcopyrite.主要伴生矿物为磁铁矿、钛铁矿, 少量黄铁矿和微量黄铜矿.Iron ores of greatest economic interest contain magnetite and hematite.最具有经济价值的铁矿包括磁铁矿和赤铁矿.T...
The proprietor was an old acquaint-ance of his.业主是他的一位旧相识。Please acquaint me with the facts of the case.请把这事的实情告诉我。Let me acquaint you with the facts.让我把事实告诉你....