"низменность" meaning in 俄语

{
  "categories": [
    {
      "kind": "other",
      "name": "俄语",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "俄语名词",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "俄语",
  "lang_code": "ru",
  "pos": "unknown",
  "senses": [
    {
      "glosses": [
        "低平原\n低地\n卑鄙\n〔阴〕\n#见ни́зменный\n#(海拔二百米以下的)低平原，低地."
      ],
      "id": "zh-низменность-ru-unknown-XnIvOHLI"
    }
  ],
  "word": "низменность"
}

{
  "categories": [
    "俄语",
    "俄语名词"
  ],
  "lang": "俄语",
  "lang_code": "ru",
  "pos": "unknown",
  "senses": [
    {
      "glosses": [
        "低平原\n低地\n卑鄙\n〔阴〕\n#见ни́зменный\n#(海拔二百米以下的)低平原，低地."
      ]
    }
  ],
  "word": "низменность"
}