coal gas
coal-gas的词性:n.(名词)
1. A gaseous mixture produced by the destructive distillation of bituminous coal and used as a commercial fuel.煤气:由烟煤干馏产生作为商品燃料的气体混合物,
2. The gaseous mixture released by burning coal.煤气:由灼热的煤释放出的气体混合物