单词	pentagon
释义	pentagonpentagon /ˈpɛntəˌgɑn/ noun [countable] math, geometry a flat shape with five sides—pentagonal /pɛnˈtægənl/ adjective
随便看	blabbermouth black black and blue black and white black art blackball black bear black belt BlackBerry blackberry blackbird blackboard black box black codes black comedy Black Death black economy blacken black English black eye black-eyed pea black-eyed Susan blackface Blackfoot Black Forest, the

英语词典包含48224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。