单词	Keytainer
释义	Keytainer noun Key·​tain·​er ˈkēˌtānə(r) plural Keytainers : a small usually leather case for carrying keys (as in the pocket) —formerly a U.S. registered trademark Word History First Known Use 1921, in the meaning defined above
随便看	positivistic positivistically positivists positivities positivity positon positor positrino positron positron-emission tomography positronium positroniums positrons posits positum positure posn posnania Posnanian posnets posol posole posoles posologic posological

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。