blow at a cold coal

英 [blow at a cold coal]
美 [blow at a cold coal]

中文释义

白费力气，做徒劳无益的事

单词分析

单词结构：

blow at a cold coal

字母数：19

记忆提示

🎯 重点记忆：

  • 单词拼写：blow at a cold coal
  • 核心含义：白费力气，做徒劳无益的事

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更新时间：2026-02-07 10:04:39