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来源:雅诚德英语网
Food is another major cause of diarrhoea when it is prepared or stored in unhygienic conditions.
不卫生环境下制备或存放的食物是造成腹泻的另一重大因素。
Food is another major cause of diarrhoea when it is prepared or stored in unhygienic conditions.
不卫生环境下制备或存放的食物是造成腹泻的另一重大因素。