Ringback
回铃声（电话服务）；有回铃音的电话
🗣️ 情景例句
Wouldn't it be nice if we could skip the examinations
要是我们可以略过考试 那岂不是很好
What do you think will be a fair price for your product?
你认为你们产品的价格公平吗？
When you think of the innumerable birds that one sees flying bout,
你可以想象出天上有看得见的飞来飞去、数不清的鸟，