他沿着小路走了50步。

He took fifty ___paces along the trail.

这位自行车手在整个比赛中都保持着稳定的速度。

The cyclist maintained a steady ___pace throughout the race.

她在客厅里来回踱步，思考着如何解决这个问题。

She ___paced around the living room, thinking about how to solve the problem.

跑步教练告诉我们如何调整步伐以保持体力。

The running coach showed us how to ___pace ourselves to conserve energy.