in a way that is related to sound or to the sense of hearing 声音的;音响的;听觉的 an acoustically perfect concert hall 声音完美的音乐厅
using musical instruments that make sound naturally, not using electrical equipment 声学: 使用自然发出声音的乐器,而不使用电气设备We’re all playing acoustically with no raging electric guitars, etc. 我们都在声学上演奏,没有激烈的电吉他,等等。