Electric light has superseded gas light.

电灯已经取代了煤气灯。

Electric light has superseded gas light.

电灯逐步取代了煤气灯。

Electric light has superseded gas light.

电灯已经取代了蜡烛。

The gas light went a little lower; someone started to unload coal; CATS could be heard on the back fences.

煤气灯的光稍微暗了一点，有人开始撤煤火；还可以听到后院篱笆那儿的猫叫声。

The explosion in the mine was triggered off by a careless miner who lit a match looking for his gas light.

矿井的爆炸是一个大意的矿工点着火柴寻找煤气灯而引发的。