Ringback
回铃声（电话服务）；有回铃音的电话
🗣️ 情景例句
Robbie, maybe you should call them，
Robbie也许你应该给他们打个电话，
He irons sweaters every day.
他每天都烫衣服。
Lucy ran home at once. Her mother saw her when she arrived.
露西马上跑回家。到家时母亲看见了她。