mirror site

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++ˈmirror site noun [countable]  a website that is an exact copy of another one, but which is in a different place on the Internet 镜像网站〔其内容与另一网站完全相同，但在因特网上的位置不同〕From Longman Business Dictionarymirror siteˈmirror ˌsite noun [countable]COMPUTING a website that is an exact copy of another one, but which is in a different place on the InternetA mirror site is a way of re-distributing the traffic load of a popular website.

ˈmirror site nounChineseSyllable  

of copy Business an is a website exact one, another that

mirror site
ˈmirror site noun [countable]
a website that is an exact copy of another one, but which is in a different place on the Internet

mirror siteBrE /ˈmɪrə saɪt/ 🔊NAmE /ˈmɪrər saɪt/ 🔊 (also mir·ror) noun (computing 计算机) a website which is a copy of another website but has a different address on the Internet 镜像站点；复制网络站点