Engelska | Italienska |
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sound barrier (drag and other effects of approaching the speed of sound) noun [UK: ˈsaʊnd ˈbæ.riə(r)] [US: ˈsaʊnd ˈbæ.riər] | barriera del suononoun muro del suononoun |
sound barrier (noise-reducing structure) noun [UK: ˈsaʊnd ˈbæ.riə(r)] [US: ˈsaʊnd ˈbæ.riər] | barriera acusticanoun barriera antirumorenoun |