strongly inaccessible ordinal number

例句：

1. 1. The mountain wasso inaccessible that only the mostexperienced climbers dared to attempt it.
   这座山是如此难以接近，以至于只有最有经验的登山者才敢尝试攀登。
2. 2. Theprison was inaccessibledue to its remote location andharsh conditions.
   由于其偏远的位置和恶劣的条件，监狱是难以接近的。
3. 3.The library had a policy of not allowingvisitors who were inaccessible by wheelchair.
   图书馆有政策不允许轮椅使用者进入。