英语词汇black manganese是什么意思，black manganese的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	black manganese
释义	DEFINITIVE EXAMPLES 权威例句〔psilomelane〕A mixture of black manganese oxide minerals.硬锰矿：一种黑色氧化锰矿的混合物美国传统
随便看	approval sales returns approval test approvals approvals approvals approve approve approve approve approve a bill approve a bill approve estimates approve of approve of approve of approve oneself approved approved approved approved approved acceptance approved accountant approved agenda approved apparatus approved association

觉斋网英汉汉英翻译词典包含1679246条英汉翻译词条，基本涵盖了全部常用英语单词及常用语的翻译及用法，是英语学习及翻译工作的有利工具。