the act of robbing a helpless person; "he was charged with rolling drunks in the park"
a deep prolonged sound (as of thunder or large bells) 同義詞:peal, pealing, roll,
uttered with a trill; "she used rolling r''s as in Spanish" 同義詞:rolled, trilled,
百科解釋
Rolling is a type of motion that combines rotation (commonly, of an axially symmetric object) and translation of that object with respect to a surface (either one or the other moves), such that, if ideal conditions exist, the two are in contact with each other without sliding.