剑桥词典the methods that are used to stop a disease or infection from spreading from one person , animal , or place to others 生物安全 Chicken farmers have strengthened biosecurity to prevent contamination from people who have visited live-bird markets . 養雞場辳莊主加強了生物安全措施，以防去過活鳥市場的訪客身上攜帶的汙染。 返回 biosecurity