secondary arch

英 [secondary arch]
美 [secondary arch]

中文释义

二级弓

单词分析

单词结构：

secondary arch

字母数：14

记忆提示

🎯 重点记忆：

  • 单词拼写：secondary arch
  • 核心含义：二级弓

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更新时间：2025-12-14 05:16:23