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單詞乎

warning signal

warning signal是什么意思、warning signal怎么讀

warning signal漢語翻譯

【計】 報警信號

warning signal英語解釋

名詞 warning signal:

  1. an automatic signal (usually a sound) warning of danger
    同義詞:alarm, alert, alarum

warning signal例句

  1. A colored flare used as a warning signal for trucks and railroad trains.
    信號火一種為卡車或火車作警告信號的有色火焰
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