Read Edit View history 扩音 kuòyīn amplify Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 扩音/擴音 · kuòyīn · amplify 2026/03/04 扩音 / 擴音 kuòyīn amplify to amplify sound 演讲者使用了扩音设备，以便让后排的人也能听到。 verb created sense Mar 4, 2026, 02:25 AM