单词	case officer
释义	case officer noun : an intelligence officer who recruits agents and manages their activities Word History First Known Use 1968, in the meaning defined above
随便看	doorless doorlocks doorman doormat doormats doormen doornail doornails doornboom doornik doorns doorplate doorplates doorpost doorposts doors doors apart doors down doors down/up/apart doors up doorsill doorsills doorsman doorstead doorstep

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。