Syren.赛尔SYabbr.平方码(=square yard)abbr.主发动机偏转(=sustainer yaw)Syringa ranunculiflora毛茛花丁香Syphilitic peritonitis梅毒性腹膜炎syphilitic human serum梅毒人血清systolic mitral sounds收缩期心房音Syzygium jambos Alston蒲桃Syzygium austrosinensen.华南蒲桃syphilitic choroiditis梅毒性脉络膜炎Syphilitic saddle nose梅毒性鞍状鼻sys-tem control panel系统控制板syphilitic skin lesions杨梅疮