loudadj.大声的；吵闹的；引人注目的adv.大声地；响亮地loudness analyser响度分析仪loudness reversal响度逆转(反重振)loudness function响度函数loudness sensation响度的感觉loudness reduction响度降低loudness of murmur杂音响度loudness evaluation响度鉴定loud-break switch高压大电流开关Loudi of Xiangzhong湘中娄底loud-ringing bell高响度电铃