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| sound track (Olya34); soundscape (the term is used to describe the background sounds that are always present in a particular environment, such as the sound of traffic or the sound of a fan Taras) | |||
| background sound | |||
| acoustic overhead | |||
| sound background | |||
| hum | |||
| звуковой фон: 12 phrases in 9 subjects |
| Aviation medicine | 1 |
| Cinematography | 1 |
| Computers | 2 |
| Electronics | 1 |
| General | 2 |
| Information technology | 2 |
| Makarov | 1 |
| Mass media | 1 |
| Slang | 1 |