pace up and down

They unfold their wings and pace up and down in the shades of tress.

他们展现自己的翅膀和速度向上和向下的色调的枝条.

I stay in all day and pace up and down.

我一天都待在家里,走来走去.

He up, and began to pace up and down the room.

他起了床, 然后开始在房间里来回地走动.

He got up , and began to pace up and down the room.

他起身并开始在房间里踱来踱去.

He up and began to pace up and down the garden.

他起床后便不安地在花园里来回走动.

To further "run-jump" skill, improving assist-running pace, jumping pace as well as keeping the same pace till the third jump is important in training and the rational proportion of three jump distance, up and down swing and counterbalance skill should in give more attention.

提高助跑速度和跳跃速度，并使速度保持到第三步是训练的重点，应更加重视合理的三跳比例、上下摆动技术和平衡能力的训练，逐步探索跑跳型新技术。