плавен angolul

flowing▼(moving, proceeding or shaped smoothly)
adjective
[UK: ˈfləʊɪŋ] [US: ˈfloʊɪŋ]

running▼(continuous, keeping along step by step)
adjective
[UK: ˈrʌn.ɪŋ] [US: ˈrʌn.ɪŋ]

smooth [smoother, smoothest]▼(action: natural; unconstrained)
adjective
[UK: smuːð] [US: ˈsmuːð]