| During their first cold winter, Lewis shipped a collection of skins, horns, skeletons, and prairie plants back down the Missouri. |
| In an open office, its acoustic function is to absorb sound and reduce the reflection of sounds back down into the office space. |
| Giving up on the idea of watching the first run of the show, we wandered back down the road to get front row seats for the second leg. |
| The soldier shook his head, they saluted once again, and he turned a perfect about-face and walked back down the steps to his horse. |
| All of sudden he does this incredible run where he goes up two octaves and back down in quadruple time. |
| It's the relentless, mind-numbing repeat tasks that drive me up the wall, and sometimes I can't even be bothered to crawl back down again. |
