Gun Position Officer 射击阵地指挥官; General Post Office <英>邮政总局
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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
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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