Sweat and temperature formed to suit extremely microbial cause, breed and corrupt condition, produce the effluvial gas that makes a person unpleasant inside the shoe thereby.

• 青少年的活动量大,出脚汗多。汗水和温度构成了一个极适合微生物滋生、繁殖和腐败的条件,从而在鞋内产生令人难闻的恶臭气体。