回铃音 huílíngyīn ringback tone Definitions Defs Origin Strokes Stroke Words Sentences Sents 回铃音 回鈴音 huílíngyīn ringback tone The sound heard by a caller while waiting for the person they are calling to answer the phone
回铃音 回鈴音 huílíngyīn ringback tone The sound heard by a caller while waiting for the person they are calling to answer the phone