marginal trough

英 [marginal trough]
美 [marginal trough]

中文释义

边缘凹陷

单词分析

单词结构：

marginal trough

字母数：15

记忆提示

🎯 重点记忆：

  • 单词拼写：marginal trough
  • 核心含义：边缘凹陷

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更新时间：2026-01-26 01:13:12