barotropic gas

例句：

1. 1.The barotropic gases are a type of gas that expands and contracts with temperature changes.
   同位素气体是一种随着温度变化而膨胀和收缩的气体。
2. 2.The barotropic gases play an important role in the Earth's climate system.
   同位素气体在地球气候系统中起着重要的作用。
3. 3. The barotropic gases are used in various industries to produce energy and power.
   同位素气体被用于各种工业中，以产生能源和动力。