英语词汇black coal是什么意思，black coal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 coal
释义	DEFINITIVE EXAMPLES 权威例句〔jet〕A dense black coal that takes a high polish and is used for jewelry.黑玉，贝褐炭：一种用作宝石的很亮的深黑色碳物质美国传统
随便看	conductor propagation of bubble conductor rail conductor rope conductor skin effect conductor support box conductor terminal conductor-in-chief conductors conductors conductoscope conductress conductress conductron conducts conducts conduit conduit conduit conduit conduit bend conduit box conduit bushing conduit clip conduit connection box conduit coupling

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