短语词组短語echoic prompt 廻聲提示echoic use 廻聲用法echoic utterances 廻聲話語echoic words 擬聲詞echoic studio 短混響的播音室echoic property 廻聲性Echoic storage 擬聲存儲echoic interpretation 廻聲解釋echoic store 聲象貯存 返回 echoic