sea-floor trench

英 [sea-floor trench]
美 [sea-floor trench]

中文释义

海沟

单词分析

单词结构：

sea-floor trench

字母数：16

记忆提示

🎯 重点记忆：

  • 单词拼写：sea-floor trench
  • 核心含义：海沟

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更新时间：2026-02-11 11:09:51