Osso奥苏牌手表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)Ossa bunyavirus俄沙本扬病毒osseous hydatid[医] 骨内棘球囊ossa pyramidale[医] 三角骨ossiform crista骨状脊ossicular chain听骨链osseous surgery骨手术osseous lamella骨板ossicula cardia贲门骨ossa occipitale[医] 枕骨ossa subaibiale[医] 胫下骨