Pacer

['peɪsə] or ['pesɚ]

解释:

(noun.) a horse trained to a special gait in which both feet on one side leave the ground together.

(noun.) a horse used to set the pace in racing.

霍雷肖整理--From WordNet

解释:

(n.) One who, or that which, paces; especially, a horse that paces.

手打:玛吉