Acoustical transmittivity
[电] 声能传输率
🧩 词语组成解析
a. 听觉的, 声学的
(非散射介质单位厚度的)透射率, 透射系数
🗣️ 情景例句
Good Gemma.
乖Gemma。
They only want to solve domestic problems.
他们只希望解决国内的问题。
but the paper was wrapped round a drum which rotated slowly.
根但是纸是卷在慢慢旋转的圆筒上的。