acoustic/əˈkuː.stɪk/形容词声音的；听觉的an acoustic guitar原声吉他/əˈkuː.stɪk/名词（建筑物、房间的）传音效果，音响效果The concert was recorded in a church that is famous for its acoustics.这场音乐会是在一座以音响效果闻名的教堂内录制的。想跟读，去练习
