The warm air flow produced in this way feeds the nose with fresh air , picks up the sweat and others from the human body and arrives at the top from where it is taken away by the exhaust air outlet 这种方式产生的暖气流带着新鲜空气流入人的鼻子，带走了身上的汗味及其它混浊气体，最后，到达房间的顶部，并在那里从排气孔排出。
The moisture blocks evaporation of sweat from our body , making things worse . furthermore , the mixing of cold and warm air brings continuous rain and overcast skies . no wonder some people feel depressed and become inactive 此外，冷暖气流的相遇也形成了绵绵春雨，令天色阴暗，在这种潮湿阴沈的气氛下，难免会令人有恹恹欲睡不愿意活动的感觉。
