expired utility

英 [expired utility]
美 [expired utility]

中文释义

[经] 已耗效用

单词分析

单词结构：

expired utility

字母数：15

记忆提示

🎯 重点记忆：

  • 单词拼写：expired utility
  • 核心含义：[经] 已耗效用

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更新时间：2026-01-30 15:16:42