1. 喇叭筒：speakership 议长的职位 | speaking trumpet 喇叭筒 | speaking tube 通话管
2. 传声器,麦克风：焊溅率 spattering percentage | 传声器,麦克风 speaking trumpet | 传话筒 speaking tube
speaking trumpet的解释
1. After these things I saw, and behold, a door opened in heaven, and the first voice which I heard was like a trumpet speaking with me, saying, Come up here, and I will show you the things that must take place after these things.
4：1 这些事以后，我观看，看哪，天上有门开了，我初次所听见那如吹号的声音，对我说，你上到这里来，我要将这些事以后必发生的事指示你。
2. After these things I looked, and behold a door was opened in heaven, and the first voice which I heard, as it were, of a trumpet speaking with me, said: Come up hither, and I will shew thee the things which must be done hereafter.
这些事以后，我看见天上有一个门开了，并且有我初次听见，那同我说话像似号角的声音，说：「你上到这里来，我要指示给你，这些事以后必须要发生的事。
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3. This big trumpet is not for speaking, but for listening to the sound of water.
这个大喇叭不是用来传音的，而是用来听水声的。
speaking trumpet的近义词
noun
1. a trumpet-shaped acoustic device to intensify and direct the human voice
formerly held to the ear by a hard-of-hearing person