基本解释n. 房间与房间之间的通话管（等于speaking trumpet）词组短语短语speaking -tubes 传话筒speaking tube更多词组英英字典柯林斯英英字典 a tube or pipe for conveying a person's voice from one room, area, or building to another speaking tube剑桥字典speaking tube柯林斯字典专业释义医药科学房间与房间之间的通话管（等于speaking trumpet）传音筒土木建筑工程通话管机械工程话管