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同义词
柯林斯高阶英汉双解学习词典释义
英英词典释义
  • Noun
    1. an individual quantity of food or drink taken as part of a meal;
    "the helpings were all small""his portion was larger than hers""there's enough for two servings each"
    2. the act of delivering a writ or summons upon someone;
    "he accepted service of the subpoena"
行业词典
  • 体育: 弓弦缠线部分;
    电力: 外镀层;
    电工: 外被层;