域名DNS有什么用 上网总卡顿 三分钟搞懂门道,三分钟速懂,域名DNS解析与上网卡顿的关系
What's the use of domain name DNS? Always lag when surfing the Internet in three minutes. Three minutes to quickly understand the relationship between domain name DNS resolution and Internet lag
以上为机器翻译结果，长、整句建议使用 人工翻译 。