Meaning: The sound kept bouncing off the walls and repeating.
Choice of Words: Echoes: repeating sound; bounced: moved quickly off; walls: vertical surfaces surrounding a space.
Alternative Expressions
The walls threw back the echoes.
Meaning: This means the same as the first sentence. The sound waves bounce off the walls and come back to you.
Choice of Words:Threw means to send something away with force. Back means to a previous position. So, "The walls threw back the echoes" means that the walls sent the sound waves back to the listener.
The echoes danced around the room.
Meaning: This means that the sound waves were bouncing around the room, making it sound like there were multiple sounds happening at once.
Choice of Words:Danced means to move around in a graceful way. Around means in a circle or from one place to another. So, "The echoes danced around the room" means that the sound waves were moving around the room in a lively way.