Read Edit View history 扩音 kuòyīn amplify Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 扩音/ 擴音 kuòyīn amplify verb · to amplify sound 演讲者使用了扩音设备，以便让后排的人也能听到。 Edit Delete References Add reference No references for this word.