plankBrE/plæŋk/NAmE/plæŋk/nounalongnarrowflatpieceofwoodthatisusedformakingfloors, etc.木板;板条◆aplankofwood一块木板条◆awoodenplank一条木板amainpointinthepolicyofanorganization, especiallyapoliticalparty(政党等的)政策准则,政纲的核心◆Thecentralplankofthebillwasruraldevelopment. 这一法案的核心是农村发展。●(as) thickastwoshortˈplanks(BrE, informal) (ofaperson人) verystupid笨得像木头人;笨到极点Similes in idioms(as) bald as a coot,(as) blind as a bat,(as) bright as a button,(as) bold as brass,as busy as a bee,as clean as a whistle,(as) dead as athe dodo,(as) deaf as a post,(as) dull as ditchwater,(as) fit as a fiddle,as flat as a pancake,(as) good as gold,(as) mad as a hattera March hare,(as) miserableugly as sin,as old as the hills,(as) pleased as Punch,as pretty as a picture,(as) regular as clockwork,(as) quick as a flash,(as) safe as houses,(as) sound as a bell,(as) steady as a rock,(as) thick as two short planks,(as) tough as old boots●walktheˈplank(inthepast) towalkalongaboardplacedoverthesideofashipandfallintothesea, asapunishment走跳板(旧时强迫受害人在置于船舷外的跳板上行走而致落水)