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 xiphoides[医] 胸骨ossa temporale[医] 颞骨osseo albumoid骨硬蛋白ossa suturalia缝间骨ossium medulla骨髓ossa orbiculare[医] 豆状突(砧骨), 豌豆骨ossa ethmoidale[医] 筛骨ossa ypsiloides[医] 舌骨osseous process骨突ossa triquetrum[医] 三角骨