surdadj.无理数的；不尽根数的；无声的n.无理数；不尽根数；无声音Surn.苏尔(黎巴嫩西南部港市)pref.在 ... 之上； 附加的surtax exemption附加税减免surviving factor存活因素surviving skills生存技术survivor feature遗民特征surprising words奇语surpercoal water过冷水Surirella terryin.特氏双菱藻Suriana maritiman.海人树Surgicai nursing外科护理Surirella ovalisn.椭圆双菱藻