Terms for subject Polo containing track

English	Chinese
change rein along the whole track	沿全程开缰
dirt track	泥土跑道
figure-of-eight track	8字形障碍赛跑道
grass track	草地跑道
road and track	赛马场跑道
track to the left	左跑道
track to the right	右跑道
track variant	跑道情况变数