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boat drill signal

英 [boat drill signal]
美 [boat drill signal]

中文释义

救生演习信号

单词分析

单词结构:

boat drill signal

字母数:17

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  • 单词拼写:boat drill signal
  • 核心含义:救生演习信号

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更新时间:2026-02-08 12:49:17

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