形容词
中文翻译：不可通行的
同义词：
['unreachable', 'insurmountable']
例句：
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1.The mountain was inaccessible to most climbers due to its steepness.
这座山由于其陡峭，大多数登山者都无法到达。
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2. The library is inaccessible to children under the age of 16.
图书馆对16岁以下的儿童是关闭的。
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3.The old castle was inaccessible due to its extensive moat.
由于护城河的宽广，这座古老的城堡难以接近。