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| NOUN |
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| /gæs/ |
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| 1 | C/U a substance such as air that is neither a solid nor a liquid 气体 |
| regulations to cut the emissions of gases such as carbon dioxide 降低二氧化碳等气体排放量的规章制度 |
| They detected high levels of radon gas in the building. 他们测出这座建筑物内氡气含量非常高。 |
| | 1a | U a gas burned as fuel , for example to heat your house or cook food 气体燃料；煤气；天然气 | | a gas cooker/heater/boiler 燃气灶/取暖器/热水壶 | | She couldn’ t pay her gas bill. 她付不起燃气费。 | | Can you smell gas? 能闻到煤气味吗？ | | gas mark 3/4 etc (=a way of controlling the temperature of an oven) Heat the oven to gas mark 6. 气量（挡位）3/4等（一种控制炉温的方法） | |
| | 1b | U a gas used for harming or killing people or affecting their behaviour 毒气；瓦斯 | | Police used gas to disperse the crowd. 警察用瓦斯驱散了人群。 | | A nerve gas attack left hundreds injured. 神经毒气袭击使上百人受伤。 | |
| | 1c | U a gas given to people before an operation or medical treatment so they will feel no pain （手术或医疗用的）麻醉气 | |
| | 1d | U wind produced inside your body by your stomach 胃气 | |
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| 2 | U AMERICAN petrol |
| get gas We need to get some gas before we leave town. |
| PHRASE |
| - | sb/sth is a gas spoken
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| used for saying that someonesomething makes you laugh a lot |
| 某人/某事可笑 |
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