煤矿中天然存有高爆气体。Highly explosive gas is naturally found in coal mines.许多人到煤矿来,是因为契约规定必须服务几年.Many people came to the coal mineindentured for several years.煤矿工人须在地下工作.Coal miners have to work under the ground....
They are among the unsung heroes of our time.他们是我们这个时代的无名英雄。The walls are hung with sepia photographs of old school heroes.墙上挂满了老牌英雄人物发黄的旧照片。David began to dislike all his television heroes who smoked.戴维开始讨厌所有他曾喜欢的吸烟的电视偶...