I was going to sand down the chairs and repaint them.

我打算用砂纸打磨这些椅子然后重新刷漆。

《柯林斯英汉双解大词典》

The child packed the sand down with his shovel.

小孩用铲子将泥沙压紧。

youdao

The water was always laden with pebbles, gravel, and sand, known as glacial outwash, that was deposited as the flow slowed down.

水里总是遍布鹅卵石、砾石和沙子——它们被称为冰水沉积，是在水流减缓时沉积下来的。

youdao

They drill down to the shale, then go sideways and inject high-pressure water, sand or other material into the rock.

VOA: special.2009.10.23

He turned this way and that, and, seeing no one about; he struck down the Egyptian and hid him in the sand.

他左右观看，见没有人;,就把埃及人打死了，藏在沙土里。

耶鲁公开课 - 旧约导论课程节选

The hospitals will simply sand down their reimbursement once these arrangements become unprofitable.

FORBES: Hospitals Are Going On A Doctor Buying Binge, And It Is Likely To End Badly

It is meaningless, unless your tablet also includes sandpaper, so that the user can sand down their fingers to around one quarter of the present size.

FORBES: Do 7-Inch Tablets Stand A Chance Against The IPad?

Cantering loosely down sand-covered roads sighting down a sine-wave of bonnet, lazy, dusty oppositelock applied at speeds rarely above a brisk trotting pace and the smell: scorched dirt, cooking tarmac, a whiff of hot oil, burning chrome and heat.

BBC: Trick of the light: A California road trip