单词 | petty officer |
释义 | petty officer petty officer n.Abbr. PO,P.O.(名词)缩写 PO,P.O.A noncommissioned naval officer intermediate in rank between enlisted personnel and commissioned officers.海军士官,海军军士:未受委任的海军军官,官衔介于士兵和受委任军官之间 |
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