He finds himself in a den of ruffians.他发现自己在流氓的巢穴中.His questioners now were not ruffians in black uniforms.拷问他的人现在已不再是穿黑制服的粗汉....gangs of ruffians who lurk about intent on troublemaking.潜伏在周围意图制造麻烦的匪帮Some local ruffians ...
从1996年开始, 尾矿已堆存到一露天矿坑里,坑内处置是在原矿开采后的场地重新堆放矿山废弃物.Since 1996, tailings have been deposited in a mined - out pit.地下有很多资源,当被开采出来后, 我们称之为“原矿”When many minerals underground are mined, we called them raw ores.原矿品位是矿山生产中非常重要的技术经济...