host number

例句：

1. 1. The server's IP address is the host number for our website.
   服务器的IP地址是我们网站的主机号码。
2. 2.The company uses a unique DNS name as its host number.
   该公司使用一个独特的域名作为其主机号码。
3. 3. The host number is used to identify the server on which the data resides.
   主机号码用于标识数据所在的服务器。