Syren.赛尔SYabbr.平方码(=square yard)abbr.主发动机偏转(=sustainer yaw)sycosis bacillogenica杆菌性须疮sychronous cinecamera同步摄影机syphilitic hemorrhoid杨梅痔syllogistic reasoning三段论推理syphilid corymbiformis花形梅毒疹Syphilitic myocarditis梅毒性心肌炎syphilitic skin lesion杨梅疮syphilitic pharyngitis梅毒咽疮, 杨梅丹毒, 杨梅喉癣, 毒火喉Syzygium melanophyllumn.黑长叶蒲桃Syrastrenopsis kawabein.台拟痕枯叶蛾