Syed赛义德SYabbr.平方码(=square yard)abbr.主发动机偏转(=sustainer yaw)Sylvius aqueduct西尔维于斯导水管(中脑导水管)sytemic symptoms整体病症syringocarcinoma汗腺癌Sypnoides hoenein.连线析夜蛾syphilitic tibia梅毒性胫骨Sylvisorex morion.愚林鼩鼱Syzygium levinein.山蒲桃syenite porphyry正长斑岩sylvian aqueduct嘻维厄斯水管Sylepta derogata棉大卷叶螟