acoustics单词用法ADJ An acoustic guitar or other instrument is one whose sound is produced without any electrical equipment. 自然声的 [ADJ n]N-COUNT If you refer to the acoustics of a space, you are referring to the structural features which determine how well you can hear music or speech in it. 传声效果N-UNCOUNTAcoustics is the scientific study of sound. 声学
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