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)osseous lacuna骨陷窝ossa metacarpi掌骨ossa lacrimale[医] 泪骨osseous system[医] 骨胳系统osseosonometry骨导音检查法ossa parietale[医] 顶骨ossiculoplasty听骨链成形术osso-albumin[化] 骨胶原osseous reamer[医] 骨扩孔钻osseous chisel(平)骨凿