单词	pentagon
释义	pentagonpentagon /ˈpɛntəˌgɑn/ noun [countable] math, geometry a flat shape with five sides—pentagonal /pɛnˈtægənl/ adjective
随便看	somnolent Somnus son sonar sonata Sondheim, Stephen Song song songbird songbook song cycle Song of Solomon songster songstress songwriter songwriting sonic sonic boom son-in-law sonnet sonny son of a gun Son of God sonogram sonorous

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。