syken.小溪
SYabbr.平方码(=square yard)abbr.主发动机偏转(=sustainer yaw)
Sylvite resources of China中国钾盐资源
syphilitic gumma of palate梅毒瘤腭
Syreitschikovia tenuifalian.疆菊
syphilid papulo-squamosa丘疹鳞屑性梅毒疹
Sysemiclupin erythematosns系统性红斑狼疮
syphilitic osteochondritis梅毒性骨软骨炎
systolic extra heart sound收缩期额外心音
systolic arterial pressure收缩期动脉压, 动脉收缩压
Sythetic leather substrate合成革基布
syringadenoma papilliferum乳头状汗腺腺瘤