I moved only my eyes, up to the ceiling above, and back down.

我只动了动眼睛，先向上看天花板，再向下。

youdao

They nod their heads and guide you back out of the room and back down the corridors.

它们点头表示赞许，带你返回走出这个房间，回到走廊。

youdao

Go for a walk - outside is better, but up two flights of stairs and back down is good too.

散散步，如果能到外面就更好了，但如果能在两段台阶间做阶梯运动也能达到同样效果。

youdao

The fighting died down at the end of the day, and Jackson's men moved back to their positions on higher ground.

VOA: special.2009.09.24

At that stage we can merge these, and then take this down, do the division merge and bring them back up.

在那里做一次分解，做到这步时，我们可以把这些进行合并，然后把这个拿下来,做分解合并过程后再把它们拿回去。

麻省理工公开课 - 计算机科学及编程导论课程节选

Having done that, it goes back up and picks the second sub-list, which came from there. It's a down to base case, merges it.

就是从那里得来的,完成这些后,回到上一步。

麻省理工公开课 - 计算机科学及编程导论课程节选

Vehicles that can safely carry people both up into space and back down safely to Earth are extraordinarily complex.

FORBES: Why Is Privatized Space Travel A Challenge?

Ferguson was elated--she felt she'd outwitted the windmill, gone to the top of it and back down through a simple equation.

FORBES: The Universe and Mrs. Ferguson

They rode up with the bubble and back down as it burst.

FORBES: Croesus Chronicles