Precambrian shield

英 [Precambrian shield]
美 [Precambrian shield]

中文释义

前寒武纪地盾

单词分析

单词结构：

Precambrian shield

字母数：18

记忆提示

🎯 重点记忆：

  • 单词拼写：Precambrian shield
  • 核心含义：前寒武纪地盾

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更新时间：2026-03-24 22:52:04