C2 noun #47,407 最常用

Algae, especially when growing on the surface of a pond.

pond scum 30秒了解

  • (noun) Algae, especially when growing on the surface of a pond.
  • (noun) Worthless, insignificant person or people.

Meanings

  1. 1
    noun Algae, especially when growing on the surface of a pond.
  2. 2
    noun Worthless, insignificant person or people.
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