英语词汇“first officer”的翻译、意思、用法、释义-英汉汉英双解词典-精炼在线网

词汇	first officer
释义	first officer 基本例句 n.海军大副用作名词He was promoted to the rank of thefirst officer.他被提升为大副。 The first mate will be in charge when the captain is away.船长不在时将由大副负责。
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