( gasesorgassesless frequent) [, ]any substance like air that is neither a solid nor a liquid气体◆CFC gases含氯氟烃气体◆The pipeline could carry up to 700 billion cubic feet of gas a year.这条管道一年能输送多达 7 000 亿立方英尺的气体。 [] a particular type of gas or mixture of gases used as fuel for heating, cooking, etc.气体燃料;天然气;煤气◆a gas cooker/furnace煤气灶/炉◆a gas-fired power station燃气发电站natural gas