perennially frozen ground

英 [perennially frozen ground]
美 [perennially frozen ground]

中文释义

长期冻土

单词分析

单词结构：

perennially frozen ground

字母数：25

记忆提示

🎯 重点记忆：

  • 单词拼写：perennially frozen ground
  • 核心含义： 长期冻土

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更新时间：2026-02-03 20:05:16