名词
中文翻译：Unknown
同义词：
['gas expansion', 'gas contraction', 'gas flow']
例句：
-
1. The gases in the balloon are expanding due to the temperature change.
气球里的气体因温度变化而膨胀。
-
2. The gases in the tank are contracting as they cool down.
油箱里的气体随着冷却而收缩。
-
3. Gases move through pipes and vents in a liquid or solid medium.
气体通过管道和管道中的开口在液体或固体介质中移动。