English: The POP3 plugin can connect to a remote mail server that supports the POP3 protocol, optionally using SSL for link protection.是什么意思_English: The POP3 plugin can connect to a remote mail server that supports the POP3 protocol, optionally using SSL for link protection.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句