单词	imperforation
释义	imperforation noun im·​perforation (¦)im, əm+ : the quality or state of being without perforation Word History Etymology French, from in- in- entry 1 + perforation
随便看	hypopneas hypopneustic hypopnoea hypoptera hypopteron hypoptila hypoptilum hypopygia hypopygial hypopygidia hypopygidium hypopygium hypopyons hyporchema hyporchemata hyporchematic hyporcheme hyporchemes hyporhined hyporrhythmic hypos hyposcope hyposensitisation hyposensitise hyposensitivities

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。