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

The halyard typically rises from the head of the sail to a block at the head of the mast and back down to deck level, from where it is pulled up to raise the sail.

升降索通常从帆的前侧延伸到桅杆顶端，然后下降到甲板平面，在甲板上拉起升降索就能升起船帆。

youdao

To many, that oil went from $65 a barrel in June 2007 to $145 in July 2008, and back down to $31 in December of the same year, is proof the price was not being set by supply and demand.

对大多数人来说，油价从2007年6月每桶65美元涨到2008年7月每桶145美元，然后同年12月又降到每桶31美元，这种趋势证明油价并未按照供需要求定价。

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