但在周三，疾病预防控制中心发布一项新的研究，称儿童首次吃固体食物的年龄与肥胖风险之间没有联系。
But on Wednesday, the CDC released a new study that shows there is actually no link between the age at which a child first eats solid food and their risk of obesity.
美国疾病控制与预防中心食物与细菌疾病部副主任陶克斯(RobertTauxe)说，无病症的健康奶牛也可能携带有害菌。
Even healthy cows with no symptoms of disease can harbor harmful bacteria, according to Robert Tauxe, deputy director of the CDC's food-borne and bacterial diseases division.
美国疾病控制与预防中心食物与细菌疾病部副主任陶克斯(RobertTauxe)说，无病症的健康奶牛也可能携带有害菌。
Even healthy cows with no symptoms of disease can harbor harmful bacteria, according to Robert Tauxe, deputy director of the CDC's food-borne and bacterial diseases division.
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