Ossin.前东德居民OSSabbr.航天科学局(=Office of Space Sciences)；战略物资局(=Office of Strategic Services)；开放源代码软件(=Open Source Software)Ossifieation骨化ossa linguae[医] 舌骨ossificatoryadj.成骨的ossa lunatum[医] 月骨osseofibrous[医] 骨[与]纤维组织的ossa wormian缝间骨osseous dust骨泥Ossendovskiy奥先多夫斯基ossa costale[医] 肋骨osseous part骨部,骨性部