retractedadj.可伸缩的动词retract的过去式和过去分词.retractv.缩回；收回；撤销retractor angulis oris口角牵缩肌retracting deformation收缩畸变retractor lentis muscle晶状体缩肌retracting finger auger带伸缩指的运禾螺旋retractable soot blower伸缩式吹灰器retractor analis muscle臀鳍缩肌(动)retractable steel joist可缩钢梁retractio bulbi syndrom眼球退缩综合征retractile mesenteritis可缩回性肠系膜炎retractor hypopharyngis舌牵缩肌