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	teledu teledynamic teleeducation teleequipment telefacsimile telefactor telefan telefault telefax telefeature teleferic teleferique Telefile telefile telefilm telefilter teleflash teleflex telefluoroscopy telefocus telefocus gun telefork telefoto telega telegage

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