as tough as old boots

英 [as tough as old boots]
美 [as tough as old boots]

中文释义

非常坚牢

单词分析

单词结构：

as tough as old boots

字母数：21

记忆提示

🎯 重点记忆：

  • 单词拼写：as tough as old boots
  • 核心含义：非常坚牢

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更新时间：2026-04-14 13:17:29