arduous service

英 [arduous service]
美 [arduous service]

中文释义

难的运行条件

单词分析

单词结构：

arduous service

字母数：15

记忆提示

🎯 重点记忆：

  • 单词拼写：arduous service
  • 核心含义：难的运行条件

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更新时间：2026-01-23 11:47:38