VOA慢速英语:科学家孵化出可以阻止禽流感传播的“基因鸡”

pandemic – n. an occurrence in which a disease spreads very quickly and affects a large number of people over a wide area or throughout the world

poultry – n. birds such as chickens and ducks that are raised on farms for their eggs or meat

buffer – n. something that gives protection by separating things; a protective barrier

journal – n. a magazine that reports on things of special interest to a particular group of people