knobbly
Word family adjectiveknobbedknobblynounknobberknobbinessknobbleknobheadknobstickknob
knob·bly /ˈnɒbli $ ˈnɑːbli/ (also knobby /ˈnɒbi $ ˈnɑːbi/ American English) adjectiveadj STICK OUTwith hard parts that stick out from under the surface of something 有疙瘩的;多结节的