精选优质文档-倾情为你奉上Unit 3 知识点1. occasion n. 场合;时机 -occasional adj. -occasionally adj. 偶尔的;临时的on one occasion 有一次 on this/that occasion 在这种/那种场合;这次/那次on occasion(s) = occasionally/sometimes/ at times/from time t time 有时,偶尔2. traditional adj. -tradition n. by tradition 按照传统习俗3. in celebration of 庆祝;庆典 -celebrate v. in celebration of 庆祝4. power n. 权力;影响力beyond/outside sbs power to do sth. 某人无权(无能力)做某事come to power 开始掌权take/ seize power 夺取政权5. burn down 烧毁bu