英语词汇“coal level”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	coal level
释义	coal level noun (Originally Scottish ) a horizontal passage or gallery in a coal mine; ( Welsh English ) a coal mine. Origin Mid 18th century.
随便看	sylvite sym- symbiont symbiosis symbiotic symbiotically symbol symbolic symbolical symbolically symbolic interactionism symbolic logic symbolise symbolism symbolist symbolistic symbolization symbolize symbology symmetric symmetrical symmetrically symmetrize symmetry symmetry breaking

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coal level