Speaking-tubes
(speaking-tube 的复数) n. 房间与房间之间的通话管（等于speaking trumpet）
🧩 词语组成解析
speaking
['spi:kiŋ]
n. 说话;讲话;谈话;演讲;
adj. 演讲的;富于表情的;（肖像）栩栩如生的;雄辩的;
v. 讲，谈(speak的现在分词 );
n. 管子, 导管；管状虫；伦敦地铁（tube的复数）
🗣️ 情景例句
Come on, you can make it.
振作起来，你一定行。
I have received a letter from my cousin.
我收到了我表兄的信。
Shortly afterwards, four more policemen arrived and remonstrated with the workmen.
一会儿工夫，又来了4个警察，规劝工人离开。