Read Edit View history 海豚音 hǎitúnyīn whistle register Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 海豚音 hǎitúnyīn whistle register noun · (singing) (coll.) whistle note 她在歌曲的结尾展示了完美的海豚音。 Edit Delete References Add reference No references for this word.