gas

气体；气态

煤气

笑气（牙医用的麻醉剂） (= laughing gas)

汽油

空谈；瞎吹牛

用毒气杀害

空谈；瞎扯

gas

气体, 煤气, 毒气, 汽油, [矿]瓦斯

[军] Gunners Auxiliary-Sight, 炮长辅助瞄准镜

gas

1. the state of matter distinguished from the solid and liquid states by: relatively low density and viscosity; relatively great expansion and contraction with changes in pressure and temperature; the ability to diffuse readily; and the spontaneous tendency to become distributed uniformly throughout any container

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2. a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely

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3. a volatile flammable mixture of hydrocarbons (hexane and heptane and octane etc.) derived from petroleum; used mainly as a fuel in internal-combustion engines

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4. a state of excessive gas in the alimentary canal

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5. a pedal that controls the throttle valve; "he stepped on the gas"

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6. a fossil fuel in the gaseous state; used for cooking and heating homes

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(substance-meronym) methane

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1. attack with gas; subject to gas fumes; "The despot gassed the rebellious tribes"

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2. show off

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