Coal is actually cheaper than gas.

煤炭实际上比煤气便宜。

Shell signed a contract to develop oil and gas reserves near Archangel.

壳牌公司签署了一份开发阿尔汉格尔附近石油和天然气资源的合同。

Helium is a very light gas.

氦是一种很轻的气体。

a huge cloud of gas and dust from the volcanic eruption.

由火山爆发形成的一个混杂着气体和灰尘的巨大云团。

The problem was that the exhaust gases contain many toxins.

问题是废气含有很多毒素。

Her husband ran a pipe from her car exhaust to the bedroom in an attempt to gas her.

她丈夫将一根管子从她的汽车排气管导入卧室，试图用毒气杀死她。