A pipe for conveying a person's voice from one room or building to another.
（房间或建筑物之间的）通话管
Example sentencesExamples
Over the speaking tube, and in a much more forceful tone, the pilot once again told me to do a loop.
She would have had to use a speaking tube and something like a gas mask while shouting very loudly.
He didn't do a great deal himself, apart from shouting down an ancient speaking tube to the unseen troglodytes who worked in the wine cellars far below.
His bed is still there, together with the speaking tubes that kept him in touch with goings-on at the bridge.
Definition of speaking tube in US English:
speaking tube
nounˈspēkiNG ˌt(y)o͞ob
A pipe for conveying a person's voice from one room or building to another.
（房间或建筑物之间的）通话管
Example sentencesExamples
She would have had to use a speaking tube and something like a gas mask while shouting very loudly.
His bed is still there, together with the speaking tubes that kept him in touch with goings-on at the bridge.
He didn't do a great deal himself, apart from shouting down an ancient speaking tube to the unseen troglodytes who worked in the wine cellars far below.
Over the speaking tube, and in a much more forceful tone, the pilot once again told me to do a loop.