1 Old HSK word(s): 
☊音响 ** D
Definitions from Unihan Copyright © 1991-2015 Unicode® Inc. All rights reserved.
音 sound, tone, pitch, pronunciation
响 make sound, make noise / sound
Hsk Characters:
HSK -Characters and beyond:
| Gb | Big5 | Eng | Rad | Mega | Triple | Multilingual |
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Akustik (S, Phys) [sheng1 xue2] 
声学
Akustikkoppler (S) [sheng1 ou3 he2 qi4] 声耦合器
Akustikkoppler (S) [sheng1 yin1 ou3 he2 qi4] 声音耦合器
Bauakustik (S) [jian4 zhu2 sheng1 xue2] 建筑声学
Bauakustik (S) [jian4 zhu4 sheng1 xue2] 建筑声学
Horgeräteakustiker (S) [zhu4 ting1 qi4 ji4 gong1] 助听器技工
7.28 Geräusch Akustik + Acoustic + 声 +
