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V1 |
| repeat or return an echo again or repeatedly; send (an echo) back | |||
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V1 |
| ring or echo with sound | |||
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V2 |
| [in acoustics] to throw or bend back (from a surface) | |||
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V1, V2 |
| echo repeatedly, echo again and again | |||
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V1 |
| be reflected as heat, sound, or light or shock waves |