英语词汇“psilomelane”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	psilomelane
释义	Word Frequency psilomelane (sɪˈlɒmɪˌleɪn) noun a common black to grey secondary mineral consisting of hydrated basic oxide of manganese and barium: a source of manganese. Formula: BaMn9O16(OH)4 Also called: romanicite Word origin C19: from Greek psilos bare + melas black
随便看	obstreperously obstreperousness obstriction obstropalous obstropulous obstruct obstructer obstruction obstructional obstructionally obstructionism obstructionist obstruction of justice obstructive obstructively obstructiveness obstructor obstruent obtain obtainability obtainable obtainer obtaining by deception obtainment obtect

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