Gas and oil consumption always increases in cold weather.

　　燃氣和燃油的消耗量在天冷時總會增加。

　　The oil well extended several hundreds of feet in depth.

　　油井向下延伸了數百英尺。

　　Nuclear energy may overtake oil as the main fuel.

　　核能可能會超過石油成為主要燃料。

　　There has been no movement in oil prices.

　　石油價格沒有變化。

　　We've converted from oil to gas central heating.

　　我們已經把中央供熱系統由燃油改成了燃氣。