C2 a sound that is heard after it has been reflected off a surface such as a wall or a cliff回声,回音,回响
More examples
You could hear the echo of footsteps in the stairwell of the building.
He shouted into the mouth of the cave and waited for the echo.
Bats have very poor eyesight but they use echoes to locate objects in the dark.
There's nobody down the well - it's the echo of your own voice you are hearing.
It was quite spooky when a second later the echo could be heard repeating down the valley.
a detail that is similar to and makes you remember something else十分相似的东西;如出一辙的事物;仿效
C2 [ I ] If a sound echoes or a place echoes with a sound, you hear the sound again because you are in a large, empty space.回响;发出回声;响起回声
More examples
My voice echoed around the hall.
A heavy artillery barrage echoed through the night.
A loud bang echoed through the district.
Sobbing and screaming echoed round the small space.
Charities and aid agencies have all echoed this view.
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