abbr.Gun Position Officer 射击阵地指挥官; General Post Office <英>邮政总局
实用例句
The GPO is very busy at Christmas.
圣诞节时邮政总局十分繁忙.
辞典例句
英英释义
Noun
1. an agency of the legislative branch that provides printing and binding services for Congress and the departments and establishments of the federal government
