单词	octagonal
释义	octagonoctagon /ˈɑktəˌgɑn/ noun [countable] Etymology ETYMOLOGYoctagon Origin: 1500-1600 Latin octagonum, from Greek, from okta- eight + -gonon -gon math, geometry a flat shape with eight sides—octagonal /ɑkˈtægənl/ adjective:  an octagonal room
随便看	sled sled dog sledgehammer sleek sleekly sleekness sleep sleeper sleepily sleepiness sleeping bag sleeping car sleeping pill sleeping sickness sleepless sleeplessly sleeplessness sleepover sleepwalk sleepwalker sleepwalking sleepwear sleepy sleepyhead sleet

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。