-
The alias can be any name as long as it is unique within the domain.
别名可以是任意的名称，只要在域中是惟一的。
youdao
-
Addresses within the domain name system are organized in a tree structure.
域名系统中的地址组织为树形结构。
youdao
-
Addresses within the domain name system are organized in a tree structure.
域名系统中的地址组织为树形结构。
youdao