| 单词 | indefatigableness |
| 释义 | indefatigable /in-di-fatˈi-gə-bl/adjective
ORIGIN: Fr (obs), from L indēfatīgābilis, from in- not, dē from, and fatīgāre to tire indefatigabilˈity or indefatˈigableness noun indefatˈigably adverb |
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