英语词汇“speaking trumpet”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	speaking trumpet
释义	speaking trumpet noun historical An instrument for making the voice carry, especially at sea.The apparatus employed consisted of a musket, to the muzzle of which a speaking trumpet had been attached.... The speaking trumpet dates back to the days of the hand drawn and hand operated fire engines. Pictures of the speaking trumpet can be seen in many paintings of the period.
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