Containers of water are placed at the top and bottom of the cooler. 装有水的容器被放在冷却器的顶部和底部。
The ends of each piece of cloth lie in the water so the cloth stays wet. 每片织物的末端都放置在水中,这样布料能保持潮湿。
The cooler is put outdoors, but not in the sun. 制冷器是放在室外的,但不是放在阳光下。
Air will pass through the wet cloth. 空气会穿过那些潮湿的织物。
The inside of the box will stay several degrees cooler than the outside air temperature. 盒子里面将比外面空气温度低几度。