同根常考词汇:需掌握
◆epidemic[,epi’demik]a.流行性的:n.传染病,流行病
举例:The Sanitary Board tries to stamp out the epidemic.
卫生局试图消灭这种流行病。
◆episode[‘episud]n.一段经历,片段
举例:That’s an episode in my life I‘d rather forget!
那是我一生中宁愿忘记的经历!