Osti奥斯蒂
OSTabbr.科学与技术处(=office of science and technology)abbr.作战适用性试验(=operational suitability testing)
osteoarthrltis骨关节炎
osteoaxthritis骨性关节炎
osteosclerosisn.[医]骨硬化
osteochondrous[医] 骨软骨的
osteosclereide[植]骨状石细胞
ostium venosum[医] [房室]静脉口
ostium vaginae[医] 阴道口
ostracize v.排斥;