Unit21Lesson3EpidemicsExplainedDoyoustillrememberSARS?WhatdidyoufeelwhenSARSwasspreading?What’stheoutcomeofSARS?BesidesSARS,whatotherdiseasescanbeepidemic?epidemiccancerwipeouturbanrebuildempiretrialprohibitunitepausen.流行病n.癌,癌症彻底毁灭adj.城市的vt.重建n.帝国n.实验vt.禁止vt.联合,团结n.暂停,停顿NewWordsacutestatisticssymptomroutinepressparalleltissueadaptationforeseemournadj.剧烈的,严...