| 单词 | indubitable | 
| 释义 | Word Frequency indubitable(ɪnˈdjuːbɪtəbəl) adjective  incapable of being doubted; unquestionable  Derived forms indubitability (inˌdubitaˈbility) or indubitableness (inˈdubitableness) noun Word origin C18: from Latin indubitābilis, from in-1 + dubitāre to doubt | 
	
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