Sych瑟奇SYabbr.平方码(=square yard)abbr.主发动机偏转(=sustainer yaw)syphilitic aortic regurgitation梅毒性主动脉瓣关闭不全SYS device driver not loaded.留学解答资讯网:DLPORTIO.Syringa oblata Lindl. flowers紫丁香花sytem arrangement and structure制度安排及其结构Syphilitic retrobulbar neuritis梅毒性球后视神经炎sysem of paper money circulation纸币流通制度Systolic arterial pulse pressure收缩期动脉压Sylvie is een zakelijke vrouw.荷兰球迷都会这样说！systolic click-murmur syndrome收缩期卡嗒音综合征syphilitic cardiovascular disease梅毒性心血管病