单词	subumbrella
释义	subumbrella noun sub·​um·​brel·​la ˌsəb-(ˌ)əm-ˈbre-lə  : the concave undersurface of a jellyfish Word History First Known Use 1844, in the meaning defined above
随便看	machine buff machine calender machine cannon machine carbine machine chest machine direction machine file machine finish machine gun machine gunner machine gunners machine guns machine language machine learning machine manager machine minder machine of government machine operator machine pistol machine pistols machine rest machine rifle machine room machine screw machine shop

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。