double-concave

英 [double-concave]
美 [double-concave]

中文释义

两面凹;双凹

单词分析

单词结构：

double-concave

字母数：14

记忆提示

🎯 重点记忆：

  • 单词拼写：double-concave
  • 核心含义：两面凹;双凹

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更新时间：2026-01-31 15:45:05