How to say “Decibels show how loud a noise is.” in JapaneseIn Japaneseデシベルは音(おと)の大(おお)きさを表(あらわ)します。Deshiberu wa oto no ōkisa o arawashimasu.▶ Hear it in JapaneseDecibels show how loud a noise is. in other languagesWhat Decibels show how loud a noise is. meansIn PortugueseIn French