"ưu sinh" meaning in Vietnamese

{
  "etymology_templates": [
    {
      "args": {
        "1": "vi",
        "2": "Sino-Vietnamese words"
      },
      "expansion": "",
      "name": "categorize"
    },
    {
      "args": {
        "1": "優",
        "2": "superior",
        "3": "生",
        "4": "life"
      },
      "expansion": "Sino-Vietnamese word from 優生, composed of 優 (“superior”) and 生 (“life”)",
      "name": "vi-etym-sino"
    }
  ],
  "etymology_text": "Sino-Vietnamese word from 優生, composed of 優 (“superior”) and 生 (“life”).",
  "head_templates": [
    {
      "args": {
        "1": "vi",
        "2": "adjective",
        "3": "",
        "4": "",
        "5": "",
        "6": "",
        "head": "",
        "tr": ""
      },
      "expansion": "ưu sinh",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "ưu sinh",
      "name": "vi-adj"
    }
  ],
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Sino-Vietnamese words",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Vietnamese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "vi",
          "name": "Biology",
          "orig": "vi:Biology",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "vi",
          "name": "Sociology",
          "orig": "vi:Sociology",
          "parents": [
            "Social sciences",
            "Sciences",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "eugenic"
      ],
      "id": "en-ưu_sinh-vi-adj-t2oCNo~J",
      "links": [
        [
          "sociology",
          "sociology"
        ],
        [
          "biology",
          "biology"
        ],
        [
          "eugenic",
          "eugenic#English"
        ]
      ],
      "raw_glosses": [
        "(sociology, biology) eugenic"
      ],
      "topics": [
        "biology",
        "human-sciences",
        "natural-sciences",
        "sciences",
        "social-science",
        "sociology"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ʔiw˧˧ sïŋ˧˧]",
      "tags": [
        "Hà-Nội"
      ]
    },
    {
      "ipa": "[ʔɨw˧˧ ʂɨn˧˧]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[ʔɨw˧˧ sɨn˧˧]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[ʔɨw˧˧ ʂɨn˧˧]",
      "tags": [
        "Hồ-Chí-Minh-City"
      ]
    },
    {
      "ipa": "[ʔɨw˧˧ sɨn˧˧]",
      "tags": [
        "Hồ-Chí-Minh-City"
      ]
    }
  ],
  "word": "ưu sinh"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "vi",
        "2": "Sino-Vietnamese words"
      },
      "expansion": "",
      "name": "categorize"
    },
    {
      "args": {
        "1": "優",
        "2": "superior",
        "3": "生",
        "4": "life"
      },
      "expansion": "Sino-Vietnamese word from 優生, composed of 優 (“superior”) and 生 (“life”)",
      "name": "vi-etym-sino"
    }
  ],
  "etymology_text": "Sino-Vietnamese word from 優生, composed of 優 (“superior”) and 生 (“life”).",
  "head_templates": [
    {
      "args": {
        "1": "vi",
        "2": "adjective",
        "3": "",
        "4": "",
        "5": "",
        "6": "",
        "head": "",
        "tr": ""
      },
      "expansion": "ưu sinh",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "ưu sinh",
      "name": "vi-adj"
    }
  ],
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "Sino-Vietnamese words",
        "Vietnamese adjectives",
        "Vietnamese entries with incorrect language header",
        "Vietnamese lemmas",
        "Vietnamese terms with IPA pronunciation",
        "vi:Biology",
        "vi:Sociology"
      ],
      "glosses": [
        "eugenic"
      ],
      "links": [
        [
          "sociology",
          "sociology"
        ],
        [
          "biology",
          "biology"
        ],
        [
          "eugenic",
          "eugenic#English"
        ]
      ],
      "raw_glosses": [
        "(sociology, biology) eugenic"
      ],
      "topics": [
        "biology",
        "human-sciences",
        "natural-sciences",
        "sciences",
        "social-science",
        "sociology"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ʔiw˧˧ sïŋ˧˧]",
      "tags": [
        "Hà-Nội"
      ]
    },
    {
      "ipa": "[ʔɨw˧˧ ʂɨn˧˧]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[ʔɨw˧˧ sɨn˧˧]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[ʔɨw˧˧ ʂɨn˧˧]",
      "tags": [
        "Hồ-Chí-Minh-City"
      ]
    },
    {
      "ipa": "[ʔɨw˧˧ sɨn˧˧]",
      "tags": [
        "Hồ-Chí-Minh-City"
      ]
    }
  ],
  "word": "ưu sinh"
}