Petty Officer是什么意思 Petty Officer怎么读
petty officer的英文翻译是什么意思，词典释义与在线翻译
Noun:- a noncommissioned officer in the Navy or Coast Guard with a rank comparable to sergeant in the Army
petty officer的相关资料
sailorn.海员；水手；扁平的硬边草帽P.O.abbr.邮政汇票（=Postal Order）abbr.订货单（=purchase order）Pon.波河
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