单词	胶锰矿类
释义	胶锰矿类Manganomelane
随便看	natural philosopher natural philosophy natural pigment natural polarization direction natural pollination natural pollutant natural polymer natural population natural portland cement natural pour point depressant natural precession natural predisposition natural predisposition--diathesy-- congenital predisposition natural pressure cycle natural process natural process limit natural product natural productions natural products natural profile natural projection natural proportional limit natural protein fibre natural pruning natural punishment