A·PO
/ˌeɪ piː ˈəʊ/
/ˌeɪ piː ˈəʊ/
Army Post Office, Air Force Post Office
- the special post office system of the US Army and Air Force. Mail can be sent between bases in the US and abroad quickly and at a low cost.
美国陆军和空军的特殊邮局系统。邮件可以在美国和国外的基地之间快速，低成本地发送。