labour-saving device

英 [labour-saving device]
美 [labour-saving device]

中文释义

省工装备

单词分析

单词结构：

labour-saving device

字母数：20

记忆提示

🎯 重点记忆：

  • 单词拼写：labour-saving device
  • 核心含义：省工装备

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更新时间：2026-01-23 00:53:26