英语词汇pond scum怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	pond scum
释义	pond scumn.（名词） Any of various freshwater algae that form a usually greenish film on the surface of stagnant water.绿藻：一种淡水藻，它在死水表面形成一个通常为淡绿色的薄膜
随便看	invaginates invaginating invagination invaginations invalid invalid invalidate invalided invaliding invalidism invalidisms invalids invaluable invaluable invariable invariant invasion invasions invasive invective invectives inveigh inveighed inveighing inveighs

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