一唱一和
- na.sing in chorus with …
- 网络echo each other; Sing from the same hymn sheet; The Internal and External

一唱一和
1.sing in chorus with ...; chime in with ...; echo each other; in perfect harmony; join in chorus; One sings and the other joins in.; sing a duet (with sb.); sing in duet [chorus]; sing the same tune; sing to each other's tune
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