单词	psilomelane
释义	psilomelane noun psi·​lo·​mel·​ane ˌsīlōˈmeˌlān plural -s : a basic oxide of barium and bivalent and quadrivalent manganese probably BaMnMn8O16(OH)4 compare hollandite, coronadite Word History Etymology psil- + -melane
随便看	speldering spelders spelding speldings speldins speldring speldrings speldrins speldron spelds spelean speleological speleologies speleologist speleologists speleology speleothem spelican spelk spelks spell spell check spell checks spell curtains for spell disaster

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