Syon西翁SYabbr.平方码(=square yard)abbr.主发动机偏转(=sustainer yaw)Syringa mairein.皱叶丁香Sylvie Bernier伯尼埃Syringa wolfiin.辽东丁香Sylow subgroup西洛子群Sylvia Sperber施佩贝尔Syroyechkovski瑟罗耶奇科夫斯基Sylvian fossae[医] 大脑侧窝sythetic fibre合成纤维syzygy modules合冲模syphonrecordern.波纹收报机(虹吸记录器)