Warning: file_put_contents(/www/wwwroot/ppbbu/bieo.cn/cache/36f3a38cd065298959f689df4233d02a.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/bieo.cn/index.php on line 58 reverberation time英英字典_reverberation time剑桥英语解释_reverberation time柯林斯英文解释_衣物护欧路词典
1. N a measure of the acoustic properties of a room, equal to the time taken for a sound to fall in intensity by 60 decibels. It is usually measured in seconds 混响时间