Sych瑟奇SYabbr.平方码(=square yard)abbr.主发动机偏转(=sustainer yaw)Syphon Filter Logan's Shadow Demosyphilitic bone and joint disease梅毒性骨关节病sythetical performance evaluation综合性能评估Syrastrena sumatrana obliquilinean.斜线痕枯叶蛾syphilitis cardiovascular disease梅毒性心血管病syphilitic interstitial keratitis梅毒性间质性角膜炎systolic retraction of heart apex心尖回缩Syphilitic ostial coronary disease梅毒性开口部冠状动脉病systerm of telecommunication power通信电源系统Sylvia compiled a shopping list.希薇雅列了一张购物单。