pond scum

英 [pond scum]
美 [pond scum]

中文释义

n. （浮在死水上面的）绿藻类层

单词分析

单词结构：

pond scum

字母数：9

记忆提示

🎯 重点记忆：

  • 单词拼写：pond scum
  • 核心含义：n. （浮在死水上面的）绿藻类层

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更新时间：2026-02-22 16:59:53