| 单词 | penetralia |
| 释义 | Word Frequency penetralia(ˌpɛnɪˈtreɪlɪə) plural noun 1. the innermost parts of a building 2. secret matters Derived forms penetralian (ˌpeneˈtralian) adjective Word origin C17: from Latin, from penetrālis inner, from penetrāre to penetrate |
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