Your pace is the speed at which you walk. 步速
noun [具体名词] [测]步测；步调
Mark was still pacing like a caged animal. 马克仍在像笼中的困兽一样踱来踱去。
verb [vt. 及物动词] 踱步；为……定步速（pace 的 ing 形式）
She was pacing up and down in front of her desk. 她在办公桌前踱来踱去。
