单词	first officer
释义	first officer noun 1 : a first mate in the merchant service 2 : copilot Word History First Known Use 1758, in the meaning defined above
随便看	speculatists speculative speculative damages speculative issue speculative philosophy speculative reason speculative theology speculatively speculativenesses speculator speculators speculatory speculatrixes speculist speculum speculum metal speculums specus specuses SpEd sped sped (up) sped up speech speech community

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。