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单词	cacogenesis
释义	cacogenesis noun caco·​gen·​e·​sis ˌkakəˈjenəsə̇s 1 : inability to produce hybrids that are both viable and fertile 2 : racial deterioration especially when due to the retention of inferior breeding stock Word History Etymology New Latin, from cac- + genesis First Known Use 1922, in the meaning defined at sense 2
随便看	scaphopod Scaphopoda scaphopodae scaphopodas scaphopodous scaphopods scaphosepala scaphosepalums scapi scapiform scaping semioriental semioses semiosis semiotic semiotician semioticians semioticist semioticists semiotics semioval semioviparous semipalatinsk semipalmate semipalmated

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。