| 释义 |
〔firedamp〕A combustible gas, chiefly methane, occurring naturally in mines from the decomposition of coal.沼气：一种在矿坑里由煤腐烂而自然产生的可燃气体，主要成分是甲烷〔working〕Often workings The parts of a mine or quarry that have been or are being excavated. 常作 workings 矿坑：矿井或采石场已经被或正在被挖掘的部分〔pocket〕A small body or accumulation of ore.矿坑：小矿体或矿石的堆积〔bonanza〕A rich mine, vein, or pocket of ore.富矿脉：富矿坑、脉、囊 |