acoustic是什么意思啊？如何背？
的有关信息介绍如下：
relating to sound or the sense of hearing声学的；听觉的dogs have a much greater acoustic range than humans.狗的听觉范围比人大得多。■(of building materials) used for soundproofing or modifying sound（建筑材料）隔音的；修饰声音的acoustic tiles.隔音砖。■(of a device or system) utilizing sound energy in its operation（装置，系统）利用声能运作的■(of an explosive mine or other weapon) able to be set off by sound waves（爆破性地雷或其他武器）能为声波引爆的(of popular music or musical instruments) not having electrical amplification（流行音乐，乐器）无电声扩音的，原声的an acoustic guitar.原声吉他。noun(一般作acoustics)the properties or qualities of a room or building that determine how sound is transmitted in it（房间或建筑物的）音响效果，音质the Symphony Hall has perfect acoustics.交响音乐厅有完美的音响效果。■(acoustic)the acoustic properties or ambience of a sound recording or of a recording studio（录音的）音质；（录音室的）环境(acoustics)[treated as sing.]the branch of physics concerned with the properties of sound声学a musical instrument without electrical amplification, typically a guitar原声乐器（尤指吉他）
