| 例句 |
Smokestacks from the factory discharge chemicals into the air.工厂的大烟囱将一些化学物质排放到空气中。The smokestacks poured out thick clouds of black smoke.大烟囱里冒出滚滚黑烟。Smokestacks of power plants discharge a large amount of sulphur dioxide into the atmosphere.发电厂的大烟囱向大气排出大量的二氧化硫。No smoke plumed out of the factory's great chimneys.没有烟雾从工厂的大烟囱里飘出来。 |