".au" meaning in 跨語言

{
  "categories": [
    {
      "kind": "other",
      "name": "帶.的跨語言詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "跨語言名詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "跨語言詞元",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_text": ". + ISO 3166-1中澳大利亞的國家代碼，au。",
  "lang": "跨語言",
  "lang_code": "mul",
  "pos": "noun",
  "senses": [
    {
      "examples": [
        {
          "ref": "1995 November 29, \"Charles Moore\" (username), \"Who determines Domain naming policy?\", in aus.net.policy, Usenet:",
          "text": "There is a policy for the issuing of Domain names for each of the .au sub-domains."
        },
        {
          "ref": "2006 August 27, \"Re: Adding a URL to show up on google.com.au? how?\", in google.public.support.general, Usenet:",
          "text": "also can someone explain what i need to do so google doesnt think i am duplicating since i have .com and .au of the same site?"
        },
        {
          "text": "aus.computers"
        },
        {
          "ref": "2009 February 4, \"j01\" (username), \"auDa deleting .au without warning\", in aus.legal, Usenet:",
          "text": "I registered a .au domain and it was approved by auDa with a certificate of approval."
        }
      ],
      "glosses": [
        "澳大利亞的國家和地區頂級域域名。"
      ],
      "id": "zh-.au-mul-noun-BtHDxzzb"
    }
  ],
  "word": ".au"
}

{
  "categories": [
    "帶.的跨語言詞",
    "跨語言名詞",
    "跨語言詞元"
  ],
  "etymology_text": ". + ISO 3166-1中澳大利亞的國家代碼，au。",
  "lang": "跨語言",
  "lang_code": "mul",
  "pos": "noun",
  "senses": [
    {
      "examples": [
        {
          "ref": "1995 November 29, \"Charles Moore\" (username), \"Who determines Domain naming policy?\", in aus.net.policy, Usenet:",
          "text": "There is a policy for the issuing of Domain names for each of the .au sub-domains."
        },
        {
          "ref": "2006 August 27, \"Re: Adding a URL to show up on google.com.au? how?\", in google.public.support.general, Usenet:",
          "text": "also can someone explain what i need to do so google doesnt think i am duplicating since i have .com and .au of the same site?"
        },
        {
          "text": "aus.computers"
        },
        {
          "ref": "2009 February 4, \"j01\" (username), \"auDa deleting .au without warning\", in aus.legal, Usenet:",
          "text": "I registered a .au domain and it was approved by auDa with a certificate of approval."
        }
      ],
      "glosses": [
        "澳大利亞的國家和地區頂級域域名。"
      ]
    }
  ],
  "word": ".au"
}