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petty officer first class [英国英语]海军中士；[美国英语]海军上士 以上来源于：《21世纪大英汉词典》 海军中士petty officer first class petty officer second class petty officer first classn.（名詞 noun）【美海軍•美海岸警衛隊】上士document.write('function myFunction(n){var c=document.getElementById("maintb" |