隔音[gé yīn]
sound insulation; deadened; sound-proofing
1. sound-proof：造成污染的原因:农药、杀虫剂使用的残余(residue)及颗粒(particle)对人类的危害规律:室内:调小音量(turn down) 宿舍隔音(sound proof) 意识到噪音没有(didn't realize)
2. Acoustic insulation：Acoustic absorption 吸音 | Acoustic insulation 隔音 | Acoustic panel 吸声板
3. 隔音
3. SI:Sound Insulation：SI:Sound Installation 音响设备 | SI:Sound Insulation隔音 | SICS:Simultaneous Interpretation Conference system同声传译系统
4. Noise dampening：感应淬火、研磨、抛光的钢轴. Induction-hardened, ground and finished steel shafts. | 隔音 Noise dampening | 光轴、导轨、轴承座和换向挡块 shaft, guide rails, bearing blocks and end stops