Diffraction - not only will a wave of sound reflect or absorb but it can go over the obstacle. That is why we can hear somebody even with a baffle between.是什么意思_Diffraction - not only will a wave of sound reflect or absorb but it can go over the obstacle. That is why we can hear somebody even with a baffle between.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句