下旋

(sport) backspin

down / downwards / below / lower / later / next (week etc) / second (of two parts) / to decline / to go down / to arrive at (a decision, conclusion etc) / measure word to show the frequency of an action

to revolve / a loop / a circle

to whirl / immediately / variant of 鏇|镟[xuan4]

(golf, tennis) undercut