acoustics

n 1 [pl] (also acoustic [sing]) qualities of a room, hall, etc that make it good or bad for carrying sound （房间, 大厅等的）传音效果, 音响效果: The acoustics of this concert hall are excellent. 这个音乐厅的传音效果极好. 2 [sing v] scientific study of sound 声学; 音响学.

acidic, acidify, acidity, acidly, acidosis, acidulated, acidulous, acknowledge, acknowledged, acknowledgement, acknowledgement (also acknowledgment), acknowledging, acknowledgment, acme, acne, acolyte, aconite, acorn, acoustic, acoustically, acquaint, acquaintance, acquaintant, acquainted, acquaintence, acquiesce, acquiescence, acquiescent, acquire, acquired, acquisition, acquisitive, acquisitively, acquisitiveness, acquit, acquittal, acre, acreage, acrid, acridity,