单词 | 泥煤 |
释义 | 〔bog〕An area having a wet, spongy, acidic substrate composed chiefly of sphagnum moss and peat in which characteristic shrubs and herbs and sometimes trees usually grow.沼泽,湿地:底面为酸性和湿软的地带,主要由灌木、草类及一些树的水藓泥沼和泥煤构成〔peat〕Partially carbonized vegetable matter, usually mosses, found in bogs and used as fertilizer and fuel.泥炭,泥煤:部分碳化的植物物质,通常指苔藓,见于潮湿地区,用作肥料和燃料〔lignite〕A soft, brownish-black coal in which the alteration of vegetable matter has proceeded further than in peat but not as far as in bituminous coal. Also called brown coal 褐煤:一种褐色软质煤,植物性物质的变化程度比泥煤重但比烟煤轻 也作 brown coal |
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