英语词汇“a first officer”的翻译、意思、用法、释义-英汉汉英双解词典-良福网

词汇	a first officer
释义	a first officer 基本例句大副 He was promoted to the rank of the first 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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