短語(yǔ)詞組短語(yǔ)Echo -effect 回音效果echo waves effect 回波效應(yīng)echo chamber effect 回聲室效應(yīng);回音室效應(yīng)echo enhancement effect 回聲增強(qiáng)效應(yīng)Echo Effect Examples 回聲效應(yīng)例子 返回 echo effect