regular maintenance of bridge and tunnel

英 [regular maintenance of bridge and tunnel]
美 [regular maintenance of bridge and tunnel]

中文释义

桥隧经常保养

单词分析

单词结构：

regular maintenance of bridge and tunnel

字母数：40

记忆提示

🎯 重点记忆：

  • 单词拼写：regular maintenance of bridge and tunnel
  • 核心含义：桥隧经常保养

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更新时间：2026-02-04 18:02:36