causern.引起者；引起因素causevt.引起；使发生n.原因；理由；事业cause of overheat发热原因cause of creation产生原因causes of defects病害原因cause a suspicion引起怀疑cause description原因说明cause offormation成因cause of collapse倒塌原因causes of tragedy悲剧成因cause' s analysis颈动脉斑块cause for rupture断裂原因