The domain name system(DNS) is the most important and basic service on the Internet. Stable and secure DNS is a necessary condition for Internet to function normally.是什么意思_The domain name system(DNS) is the most important and basic service on the Internet. Stable and secure DNS is a necessary condition for Internet to function normally.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句