PO box

noun
🔊/ˈpiː əʊ bɒks/
🔊/ˈpiː əʊ bɑːks/
(also post office box)
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  1. used as a kind of address, so that mail can be sent to a post office where it is kept until it is collected邮政信箱
    • Radio Netherlands, PO box 222, Hilversum希尔弗瑟姆邮政信箱 222 号,荷兰广播电台