文档介绍：综合教程4-....Britainhasbeenintoolongaperiodofstillnesswithouttakinganyparticularactionagainsttheenemy!2....wearesuretoexperiencebothTriumphandDisaster,........;,circumstances;;,heroic;...through;;;;;;;;;;;;;(danger);(essful);;;(failure);(shrink,withdraw);,laud);;;;;;,