ㄏㄨㄟˊhuíㄧㄣyīn

  1. 回覆音信三國演義·》:卻說孟獲回音。」拍案驚奇·》:明日回音!」覆信

echo, reply, turn (ornament in music)​
écho, réponse (écrite)​
Antwort, Rückmeldung (S)​, Echo (S, Phys)​