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  1. scum

    • IPA[skʌm]

    英式

    • n.
      a layer of dirt or froth on the surface of a liquid;a worthless or contemptible person or group of people
    • v.
      form a layer of dirt or froth on (a liquid);(of a liquid) become covered with a layer of dirt or froth
    • noun: scum

    • verb: scum, 3rd person present: scums, gerund or present participle: scumming, past tense: scummed, past participle: scummed

    • 釋義
    • 相關詞

    名詞

    動詞

    • 1. form a layer of dirt or froth on (a liquid) litter scummed the surface of the water
    • (of a liquid) become covered with a layer of dirt or froth the lagoon scummed over
    • n.
      a mass of algae forming a green film on the surface of stagnant water.

    Oxford Dictionary

    • n.
      a mass of algae forming a green film on the surface of stagnant water.

    Oxford American Dictionary

    • 更多解釋
    • IPA[skəm]

    美式

    • n.
      a layer of dirt or froth on the surface of a liquid: green scum found on stagnant pools
    • v.
      (of a liquid) become covered with a layer of dirt or froth: the lagoon scummed over

    Oxford American Dictionary

  2. 知識+