condensing vapour film

例句：

1. 1. The condensing vapour film on the surface of the liquid is a crucial factor in determining its boiling point.
   液体表面形成的冷凝蒸汽膜是决定其沸点的关键因素。
2. 2. The condensing vapour film can be used to prevent the spread of bacteria and viruses in hospitals.
   冷凝蒸汽膜可用于防止医院内细菌和病毒的传播。
3. 3. In the process of condensing vapour, heat is transferred from the hot gases to the colder liquid, causing thevapour to turn into a thin film on the surface of the liquid.
   冷凝过程中，热量从热气体转移到较冷的液体上，使蒸汽在液体表面上形成一层薄膜。