3、事、补充不足、扩展或加强=extension Anadditionthatincreasesthearea,influence,operation,orcontentsofsomething扩大 supreme——Greatestinimportance,degree,significance,character,orachievement最重要的=outstanding succinct——Characterizedbyclear,preciseexpressioninfewwords;conciseandterse简明的=concise s