单词	Allen screw
释义	Allen screw noun Al·​len screw ˈa-lən-  hardware : a screw with a hexagonal socket in its head that is designed to be used with an Allen wrench Word History First Known Use 1917, in the meaning defined above
随便看	under no legal obligation under no obligation under normal circumstances under oath under observation under one roof under one's belt under one's breath under one's feet under one's hat under one's nose under one's own power under one's skin under one's sway under one's thumb under one's wing under pain of under par under pressure under protest under restraint under review under sail under scrutiny under seal

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。