bangeum jangji
soundproofing material
matériau d'insonorisation (terme technique) ; matériau acoustique
이 방은 방음 장지로 잘 되어 있어서 소음이 거의 들리지 않는다.
i bang-eun bang-eum jangji-ro jal doeeo isseoseo so-eum-i geoui deulliji anhneunda.
This room is well soundproofed with soundproofing material, so almost no noise can be heard.
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