| 单词 | 煤层 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔coal measures〕Strata of the Carboniferous period containing coal deposits.地层：石炭纪时期有煤层的地层美国传统〔coal〕There are substantial reserves of methane gas trapped in coal seams in the area.该地区煤层之中储有大量的甲烷气体。牛津搭配〔drive〕It drives a hole into the coal seam using a hydraulic bit.它用水力钻头在煤层上钻洞。外研社新世纪〔intermix〕Coal seams intermixed with iron ore.煤层和铁矿混杂在一起。21世纪英汉〔molten〕A red bed of coals blazed with molten fury.火红的煤层熊熊燃烧着。英汉大词典〔repose〕This seam of coal reposes on a layer of clay.这个煤层处于一层黏土岩之上。21世纪英汉〔seam〕A thin layer or stratum, as of coal or rock.矿层，煤层：薄薄的一层或层面，如煤或岩石的美国传统〔seam〕The average U.K. coal seam is one metre thick.英国煤层的平均厚度为一米。外研社新世纪〔seam〕The average UK coal seam is one metre thick.英国煤层的平均厚度为 1 米。柯林斯高阶〔strip mine〕An open mine, especially a coal mine, whose seams or outcrops run close to ground level and are exposed by the removal of topsoil and overburden.露天矿：露天矿产，尤指煤矿，它的煤层或露头接近于地表，除去表土和覆盖层即可发现美国传统〔underlain〕Shale underlies the coal.页岩层在煤层下面。21世纪英汉There is a huge coal deposit/deposit of coal in the valley.山谷里有巨大的煤层。剑桥国际 |
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