单词	unpenetrable
释义	unpenetrable adjective un·​penetrable "+ : impenetrable Word History First Known Use 15th century, in the meaning defined above
随便看	neckmold neckpiece neckpieces necks necktie necktie party neckties neckwear neckweares neckwears neckweed neckweeds necr- necro- necrobacillary Necrobia necrobioses necrographer necrographers necrolatries necrolatry necrological necrologies necrologist necrologists

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。