Drinking unboiled water have loose bowels is common sense, but to iced water, the understanding of a lot of people existsError, many people think iced is a kind of very good disinfection method even.

• 喝生水拉肚子是常识，可对于冰镇水，许多人的认识存在误区，不少人甚至认为冰镇是一种很好的消毒方法。