forced circulation evaporation

例句：

1. 1.The forced circulation of the blood in the body is essential for maintaining health.
   身体中血液的强制循环对于保持健康至关重要。
2. 2.In forced circulation, the water molecules move around the plant, helping to transport nutrients and waste products.
   在强制循环过程中，水分子在植物周围移动，帮助运输养分和废物。
3. 3.The forced circulation of air through the lungs helps to remove carbon dioxide from the body and expel it into the atmosphere.
   通过肺部强制空气流通有助于从体内清除二氧化碳并将其排放到大气中。