bourdonnement znamená v Angličtina

buzzing▼◼◼◼(sound produced by something that buzzes)
noun
[UK: ˈbʌz.ɪŋ] [US: ˈbʌz.ɪŋ]

drone [drones]▼◼◼◻(hum or buzz)
noun
[UK: drəʊn] [US: ˈdroʊn]