in.sur.mount.a.bleadj.(形容词)Impossible to surmount; insuperable:不可逾越的;难以克服的:例句:insurmountable difficulties.难以克服的困难【引伸】in.surmount.abil.ity 或in.surmount.ablenessn.(名词)in.surmount.ablyadv.(副词)