as clean as a whistle

英 [as clean as a whistle]
美 [as clean as a whistle]

中文释义

光滑, 洁净

单词分析

单词结构：

as clean as a whistle

字母数：21

记忆提示

🎯 重点记忆：

  • 单词拼写：as clean as a whistle
  • 核心含义：光滑, 洁净

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更新时间：2026-02-05 21:06:26