hard shale formation

英 [hard shale formation]
美 [hard shale formation]

中文释义

硬质页岩层

单词分析

单词结构：

hard shale formation

字母数：20

记忆提示

🎯 重点记忆：

  • 单词拼写：hard shale formation
  • 核心含义：硬质页岩层

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更新时间：2026-02-01 20:04:26