| 单词 | perfidiousness |
| 释义 | perfidious /pər-fidˈi-əs/adjective
ORIGIN: L perfidiōsus, from perfidia faithlessness, from pfx per-, implying destruction, and fidēs faith perfidˈiously adverb perfidˈiousness noun perfidy /pûrˈfid-i/ noun |
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