英语词汇“first officer”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	first officer
释义	first officer first officer n 1. (Nautical Terms) another name for first mate 2. (Aeronautics) the member of an aircraft crew who is second in command to the captain first′ mate′ n. the officer of a merchant vessel ranking next below the captain. Also called first officer , mate. first officer first officer 1. another name for first mate2. the member of an aircraft crew who is second in command to the captain first officer The pilot who is second-in-command. Also may be called a co-pilot. See F/O See FOThesaurusSeefirst mate
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first officer