preliminary operation

英 [preliminary operation]
美 [preliminary operation]

中文释义

预备操作;初步工序;试行运转;试转

单词分析

单词结构：

preliminary operation

字母数：21

记忆提示

🎯 重点记忆：

  • 单词拼写：preliminary operation
  • 核心含义：预备操作;初步工序;试行运转;试转

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更新时间：2026-03-23 06:10:52