Sych瑟奇
SYabbr.平方码(=square yard)abbr.主发动机偏转(=sustainer yaw)
Syphon Filter - Dark Mirror虹吸战士-黑镜
syphilitic spastic paraplegia梅毒性痉挛性截瘫
syphili-tic osteochondritis梅毒性骨软骨炎
Syringing of nasolacrimal duct鼻泪管注射器冲涤
syphilid palmaris et plantaris掌跖梅毒疹
syphilitic meningoencephalitis麻痹性痴呆
syringocystadenoma papillferum乳头状汗管囊腺瘤
systolic pressure-time index收缩压时间指数