没有空调也能清凉一夏

2. Sweat it out.
多出汗

Water vapor produced by sweating actually takes heat away from your body. The best thing to do is to put your sweaty self in the path of a cool breeze or fan.
出汗时的水蒸气能将体内的热量带出来，最好是大汗淋漓的站在通风处。