POP (Post Office Protocol) is used by the client to retrieve mail from an Internet server.

客户机利用POP（邮局协议）从因特网服务器上检索邮件。

youdao

POP (Post Office Protocol) is used by the client to retrieve mail from an Internet server.

客户机利用POP（邮局协议）从因特网服务器上检索邮件。

youdao