Ringback
回铃声（电话服务）；有回铃音的电话
🗣️ 情景例句
Nothing available.
没有空房间了。
Sweet discourse makes short days and nights.
言语投机恨时短。
One of the real pluses of this product is that it is of very high quality and of compact size.
这种产品的真正优点之一就是高质量和小体积。