at half-mast

英 [at half-mast]
美 [at half-mast]

中文释义

(潜艇)露出半段通气设备

单词分析

单词结构：

at half-mast

字母数：12

记忆提示

🎯 重点记忆：

  • 单词拼写：at half-mast
  • 核心含义：(潜艇)露出半段通气设备

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更新时间：2026-01-04 00:05:06