在宁静的夜空中繁星闪烁。暴雨将至小说
更新时间：2025-12-01 17:50:31 | 人气：631935 | 作者：候梓琛, |
Human hearing is capable of detecting sound waves between 20 and 20.000 Hz. ... merely a small fraction of the frequency spectrum. Most sounds around us go unnoticed.
更新时间：2025-12-01 17:50:31 | 人气：631935 | 作者：候梓琛, |
Human hearing is capable of detecting sound waves between 20 and 20.000 Hz. ... merely a small fraction of the frequency spectrum. Most sounds around us go unnoticed.
