back-of-the-envelope calculation

英 [back-of-the-envelope calculation]
美 [back-of-the-envelope calculation]

中文释义

[网络] 封底计算

单词分析

单词结构：

back-of-the-envelope calculation

字母数：32

记忆提示

🎯 重点记忆：

  • 单词拼写：back-of-the-envelope calculation
  • 核心含义：[网络] 封底计算

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更新时间：2026-04-11 20:57:23