| 单词 | mordacious | 
| 释义 | Word Frequency mordacious(mɔːˈdeɪʃəs) adjective  sarcastic, caustic, or biting  Derived formsmordaciously (morˈdaciously) adverb mordacity (mɔːˈdæsɪtɪ) or mordaciousness (morˈdaciousness)  noun Word originC17: from Latin mordax, from mordēre to bite | 
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