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幾乎任何可以發(fā)出聲音的東西都被用來發(fā)信號.Almost anything that makes a noise has been used for signaling.水手們白日用旗,夜晚用燈,發(fā)信號.Sailors signal with flags by day and with lights at night.范阿萊姆, 在默茲河對岸, 還在用他的燈發(fā)信號.Van Alem , from across the Meuse, kep...

“發(fā)信號”的拼音為：fā xìn hào...

“發(fā)信號”的英語可以翻譯為：singalling，signal，wigwag ...