单词	psilomelane
释义	psi·lom·e·lane (sī-lŏmə-lān′) n. A mixture of black manganese oxide minerals. [Greek psīlos, bare + Greek melās, melan-, black.]
随便看	because of beccafico bechance Bechuana Bechuanaland beck beck Beckenbauer Becker muscular dystrophy becket Becket Beckett Beckmann beckon beckoner beckoningly beclomethasone becloud sarc- sarcasm sarcastic sarcastically sarcenet sarco- sarcodinian

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