英语词汇“precaution signal”的翻译、意思、用法、释义-英汉汉英双解词典-爱贷网

词汇	precaution signal
释义	precaution signal 基本例句注意信号 A locomotive engineer slept through a signal and killed a hundred and fifty-four people.一个火车司机由于打瞌睡，没有注意信号，结果撞死了一百五十四个人。
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