n.不能贯穿；不可入性；不可测知

Thickness of consistency; impenetrability. "一致的程度

Thickness of consistency;impenetrability. 致密度一致的程度，不可穿透性

But his lively impenetrability to everything not himself vanquished Pierre. 但他对自身之外的一切，都迟钝得不可理喻，这就俘虏了皮埃尔。

Part of the problem is that the Internet was developed for interoperability, not impenetrability. 造成这个问题的部分原因是因特网当初为互用性而不是为抗入侵能力开发的。

Part of the problem is that the Internet was developed for interoperability,not impenetrability. 造成这个问题的部分原因是因特网当初为互用性而不是为抗入侵能力开发的。