蔓延 1.(向周围扩展) creep; spread; extend; sprawl 葡萄藤沿墙蔓延。 the grape-vine creeps along the wall. 这种疾病在城里蔓延得很快。 the illness spread quickly in the town. 火从工厂蔓延到附近的房屋。 the fire spread from the factory to the houses nearby.2.(传染; 侵扰) infest; infestation 鼠害蔓延 be infested with rats;滋生蔓延 breed and infest
At level 1 , if sars cases were occurring in a sporadic manner , the steering committee would be chaired by the secretary for health , welfare and food . it would formulate overall disease - control strategy and decide on the measures appropriate to different scenarios 第一级疫情是指出现零星沙士个案, ?生福利及食物局局长将担任督导委员会主席,制订整体疾病控制策略,并决定应采取何种措施以预防疾病蔓延。