asperità angolul

asperity [asperities]▼(something that is harsh and difficult to endure)
noun
[UK: æ.ˈspe.rə.ti] [US: æ.ˈspe.rə.ti]

wrinkle [wrinkles]▼(furrow in a smooth surface)
noun
[UK: ˈrɪŋk.l̩] [US: ˈrɪŋk.l̩]