单词	pentadecagon
释义	pentadecagon noun pen·​ta·​dec·​a·​gon ˌpentəˈdekəˌgän plural -s : a polygon of 15 sides Word History Etymology pentadeca- + -gon
随便看	rumices rumina ruminal ruminant Ruminantia ruminantiae ruminantias ruminantly ruminants ruminate ruminated ruminates ruminating ruminatingly rumination ruminations ruminative ruminatively ruminator ruminators rumkin rumkins rumless rummage rummage sale

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。