"Dynamic Duo" meaning in English

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      "form": "the Dynamic Duo",
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        "canonical"
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      "name": "en-proper noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "name",
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          "name": "English entries with incorrect language header",
          "parents": [
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Batman",
          "orig": "en:Batman",
          "parents": [
            "DC Comics",
            "Fictional characters",
            "American fiction",
            "Comics",
            "Fiction",
            "United States",
            "Literature",
            "Artistic works",
            "North America",
            "Culture",
            "Entertainment",
            "Writing",
            "Art",
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            "Society",
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            "Earth",
            "All topics",
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            "Communication",
            "Nature",
            "Fundamental"
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          "kind": "topical",
          "langcode": "en",
          "name": "Fictional characters",
          "orig": "en:Fictional characters",
          "parents": [
            "Fiction",
            "Artistic works",
            "Art",
            "Culture",
            "Society",
            "All topics",
            "Fundamental"
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        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Two",
          "orig": "en:Two",
          "parents": [
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
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      ],
      "glosses": [
        "A nickname for the fictional superheroes Batman and Robin as a team."
      ],
      "id": "en-Dynamic_Duo-en-name-nHYLyBS8",
      "links": [
        [
          "Batman",
          "w:Batman"
        ],
        [
          "Robin",
          "w:Robin"
        ]
      ],
      "related": [
        {
          "word": "Man of Steel"
        }
      ],
      "translations": [
        {
          "code": "pt",
          "lang": "Portuguese",
          "sense": "nickname for Batman and Robin",
          "tags": [
            "feminine"
          ],
          "word": "Dupla Dinâmica"
        }
      ],
      "wikipedia": [
        "Dynamic Duo"
      ]
    }
  ],
  "word": "Dynamic Duo"
}

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    {
      "form": "the Dynamic Duo",
      "tags": [
        "canonical"
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  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "related": [
    {
      "word": "Man of Steel"
    }
  ],
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        "English uncountable nouns",
        "en:Batman",
        "en:Fictional characters",
        "en:Two"
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      "glosses": [
        "A nickname for the fictional superheroes Batman and Robin as a team."
      ],
      "links": [
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          "Batman",
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        ],
        [
          "Robin",
          "w:Robin"
        ]
      ],
      "wikipedia": [
        "Dynamic Duo"
      ]
    }
  ],
  "translations": [
    {
      "code": "pt",
      "lang": "Portuguese",
      "sense": "nickname for Batman and Robin",
      "tags": [
        "feminine"
      ],
      "word": "Dupla Dinâmica"
    }
  ],
  "word": "Dynamic Duo"
}