"двойка" meaning in 俄语

{
  "lang": "俄语",
  "lang_code": "ru",
  "pos": "unknown",
  "senses": [
    {
      "glosses": [
        "(数目字)2; 〈口〉2路，2号(指编号为2的电车、公共汽车等). сесть на ～у坐上2路汽车."
      ],
      "id": "zh-двойка-ru-unknown-KO4QLScG"
    },
    {
      "glosses": [
        "(五分制的)二分. получи́ть ～у по матема́тике数学得二分."
      ],
      "id": "zh-двойка-ru-unknown-PX-UctvH"
    },
    {
      "glosses": [
        "(扑克牌中的)2."
      ],
      "id": "zh-двойка-ru-unknown-zEoIijjO"
    },
    {
      "glosses": [
        "双桨小艇."
      ],
      "id": "zh-двойка-ru-unknown-UZuFTJHJ"
    }
  ],
  "word": "двойка"
}

{
  "lang": "俄语",
  "lang_code": "ru",
  "pos": "unknown",
  "senses": [
    {
      "glosses": [
        "(数目字)2; 〈口〉2路，2号(指编号为2的电车、公共汽车等). сесть на ～у坐上2路汽车."
      ]
    },
    {
      "glosses": [
        "(五分制的)二分. получи́ть ～у по матема́тике数学得二分."
      ]
    },
    {
      "glosses": [
        "(扑克牌中的)2."
      ]
    },
    {
      "glosses": [
        "双桨小艇."
      ]
    }
  ],
  "word": "двойка"
}