deep web
noun [ S ] internet & telecoms specialized uk/ˌdiːp ˈweb/ us/ˌdiːp ˈweb/
the deep web 深度网络
parts of the internet that cannot be found using ordinary search engines
Unlike a typical search-engine, this is designed to retrieve information from the deep web. 与典型搜索引擎不同，这是用来在深层网络检索信息的。
Spies can find information on the normal internet and on the so-called deep web. 间谍可以在正常的互联网和所谓的深层网络上找到信息。
Compare: dark web