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- 空气是气体的混合物，不是化合物。
Air is a mixture, not a compound of gases.
- 该气体在压缩状态下贮存於罐中。
The gas is stored under pressure in the tank.
- 火山气体的温度很高。
The temperature of volcanic gases is very high.
- 氢和氧是气体。
Hydrogen and oxygen are gases.
- 空气是气体的混合物。
Air is a mixture of gases.
- 氨是无色并有强烈气味的气体。
Ammonia is a colorless gas with strong smell.
- 一公升气体的质量少于一公升水的质量。
A liter of gas has less mass than a liter of water.
- 气体变成气泡升上水面。
The gas bubbled to the surface of the water.
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