单词	sergeant at arms
释义	sergeant at arms noun phrase : an officer of an organization (such as a legislative body or court of law) who preserves order and executes commands Word History First Known Use 14th century, in the meaning defined above
随便看	Opisthoparia opisthoparian opisthorchiid opisthosoma opisthosomal opisthosomata opisthosomatic opisthotic opium opium poppy opiumism opiumisms opiums Oplegnathidae opn opng opo- opobalsam opobalsamum Opole opopanaces opopanax opopanaxes opoponax oporto

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。