p.o.

英 美
  • abbr.邮政汇票(=PostalOrder)abbr.订货单(=purchaseorder)
  • po n.波河
  • PO-AH 视前区-下丘脑前部
  • po-faced adj.面无表情的;一本正经的
  • Po-liteness
  • Po-mak n.波马克人(居住在邻近希腊边境的保加利亚穆斯林)
Noun:
  1. a noncommissioned officer in the Navy or Coast Guard with a rank comparable to sergeant in the Army

【邻近词汇】