单词	jack arch
释义	jack arch noun : a flat arch (as a lintel with a keystone) Word History Etymology jack entry 1 (something smaller)
随便看	phytozoon pi pi bond pi electron pi mountains pi-dog pi-jaw pi-meson pia pia family pia mater Piacenza piacevole piacle piacula piacular piacularly piacularness piaculum Piaf piaffe piaffed piaffer piaffers piaffes

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。