amplifierKK [ˋæmpləˏfaɪɚ] /ˈæmpləˌfaɪɚ/發音amplify 放大+-er …的人或物→放大的裝置展開收合amplify單字放大-er字尾…的人或物字面：放大的裝置名詞1擴大機、擴音器He connected his electric guitar to a small amplifier.他把電吉他接上一台小型擴大機。2放大器電子The signal is too weak without an amplifier in the circuit.電路裡若沒有放大器，訊號就太弱了。3加劇因素、推波助瀾者比喻Social media acts as an amplifier for rumors and panic.社群媒體成了謠言與恐慌的加劇因素。