如果你在夏天很无聊，同时又可以买到中国的风油精，你可以尝试喝掉两滴风油精，然后再喝一瓶冰镇的饮料，你瞬间觉得不知道热是什么东西了。（If you are bored in summer and can buy Chinese oil essence at the same time, you can try to drink two drops of oil essence, and then drink a bottle of ice drinks, you instantly feel that you do not know what heat is.）
chinese oil essence:Originally known as Fengyoujing(风油精),An essential oil that makes you feel very cool