noun🔗Share不可达基数 An uncountable regular cardinal number that is a limit cardinal."While seemingly beyond our reach, the inaccessible, representing a profoundly large limit cardinal, is a foundational concept in set theory, used to build more complex mathematical structures. "虽然不可达基数看似遥不可及，它代表着一个极其巨大的极限基数，却是集合论中的一个基础概念，被用来构建更复杂的数学结构。numbermathChat with AIVocabulary GamePractice Reading
adjective🔗Share难以到达，不可及，不方便。 Not able to be accessed; out of reach; inconvenient."The attic was inaccessible because the stairs were broken. "阁楼很难上去，因为楼梯坏了。abilityplacesituationChat with AIVocabulary GamePractice Reading
adjective🔗Share难以到达，不可及的。 Not able to be reached; unattainable."Due to the heavy snow, the mountain road was inaccessible to cars. "由于大雪，汽车无法开上那条山路，根本到不了。abilityconditionsituationChat with AIVocabulary GamePractice Reading
