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ADJ
(吉他等乐器)原声的,自然声的,不用电传音的
An acoustic guitar or other instrument is one whose sound is produced without any electrical equipment.
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N-COUNT
(空间的)传声效果,音响效果
If you refer to the acoustics or the acoustic of a space, you are referring to the structural features which determine how well you can hear music or speech in it.
例句
In this performance, Rattle had the acoustic of the Symphony Hall on his side.
这场演出中,拉特尔有交响乐大厅出色的音响效果做他的后盾。
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N-UNCOUNT
声学
Acoustics is the scientific study of sound.
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ADJ
声音的;听觉的
Acoustic means relating to sound or hearing.
例句
...acoustic signals.
声音信号