短语词组短语retractile disc 纤毛帽;回缩盘retractile mesentitis 收缩性肠系膜炎retractile bridge 伸缩桥retractile fibre 收缩性纤维retractile e 伸缩自如的retractile fiber 回缩纤维retractile mesenteritis 系膜炎;回缩性系膜炎;缩性肠系膜炎retractile cord 可收缩软线 返回 retractile