A child who has just learnt to walk can fall down even on level and smooth ground.

刚刚会走路的小孩子在平正的地面上仍会跌跤。

youdao

It the original ground is terrazzo, the smooth ground like floor should firstly become rough surface.

原地面如为水磨石、地板等光滑地面须先凿成粗糙面。

youdao

The smooth gray-brown smoke hangs over the Russian landscape, completely obscuring the ground in places.

滚滚的浓烟盘旋在空中，将俄罗斯完完全全的遮住。

youdao

If Glenn was rattled by last week's lift-off he didn't say, but from the ground, the trip to orbit looked smooth.

CNN: Victory Lap

Depending on the cook's preference, the walnuts may be coarsely ground for a chunkier texture, or pulverized into a fine powder to make a smooth, silky sauce.

WSJ: A Journey to Iran, by Way of the Kitchen