| 释义 |
gas MATTERgAsnpl gases or gasses a form of matter which is neither solid nor liquid and can increase in size to fill any container, often one that is burnt as fuel or used to poison people气体;可燃气体;毒气Air is a mixture of gases. [C]空气是各种气体的混合物。Oxygen, hydrogen and nitrogen are all gases. [C]氧气、氢气和氮气都是气体。Do you prefer electricity or gas for cooking? [U]你喜欢用电还是用煤气来烧饭？Gas-fired power stations are cleaner and more efficient than coal-fired ones.烧煤气的发电站要比烧煤的发电站更干净，而且效率更高。(Br) A leak in the gas mains caused a major explosion.煤气总管的一处泄漏引起了一场大爆炸。(infml) Gas is also a substance used for medical purposes to prevent people feeling pain or being conscious during an operation.麻醉气，笑气I was given gas before having my wisdom tooth taken out. [U]在拔掉我那颗智齿前给我用了气体麻醉剂。A (Br) gas fire (Am) gas heater is a fire that uses gas as a fuel to heat a room.煤气取暖器(Br) A gas mark is one set of numbers on a gas cooker that is used instead of the temperature to show how hot it is.煤气灶档数（以表示温度）Preheat the oven to gas mark 4.将烤箱预热到煤气第4档。A gas chamber is a room that is filled with poisonous gas in order to kill people or animals.（用以毒死人或动物的）毒气室The gas chambers at Nazi concentration camps such as Auschwitz stand as reminders of the extremes of human cruelty.纳粹集中营，如奥斯威辛，所设的毒气室使人回忆起人性的极端残酷。A gas mask is a device worn over the face to prevent you from breathing in poisonous gases.防毒面具
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