| 单词 | pertinaciously |
| 释义 | pertinacious /pûr-ti-nāˈshəs/adjective
ORIGIN: L pertināx, -ācis holding fast, from pfx per-, and tenāx tenacious, from tenēre to hold pertināˈciously adverb pertināˈciousness or pertinacity /-nasˈi-ti/ noun
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