preventive perimeter

英 [preventive perimeter]
美 [preventive perimeter]

中文释义

(基地外)预防性外围防御

单词分析

单词结构：

preventive perimeter

字母数：20

记忆提示

🎯 重点记忆：

  • 单词拼写：preventive perimeter
  • 核心含义：(基地外)预防性外围防御

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更新时间：2026-01-31 07:39:31