| 单词 | brown coal |
| 释义 | brown coal (once / 86273 pages) n WORD FAMILY brown coal: brown coals USAGE EXAMPLESThe tax was intended to deliver a decisive blow against lignite or brown coal, the dirtiest fuel around and Germany’s main source of electricity. New York Times(Aug 30, 2016) Germany got 44 percent of its electricity from coal last year—about 26 percent from lignite, or brown coal. National Geographic(Dec 12, 2015) But she hinted she will be bargaining hard, because the deal "must not hurt Poland's economy," which largely depends on black and brown coal. US News(Nov 30, 2015) n intermediate between peat and bituminous coal Syn|Hypo|Hyper lignite, wood coal jet a hard black form of lignite that takes a brilliant polish and is used in jewelry or ornamentation coal fossil fuel consisting of carbonized vegetable matter deposited in the Carboniferous period humatematerial that is high in humic acids |
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