单词	pen feather
释义	pen feather noun : a quill feather Word History Etymology pen entry 3
随便看	underachieving underact underacted underacting underaction underactions underactive underactivities underactivity underactor underactors underacts underage underagents underages underair underappreciated underarm underarmed underarming underarms underate underback underbake underbaked

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。