The whole plant is covered with fine down.

整株植物上长满了绒毛。

《柯林斯英汉双解大词典》

I covered the elk with a tarp and sat down near it, wrapping myself in blankets.

我用一块油布盖住麋鹿，坐在它旁边，用毯子把自己裹起来。

youdao

The paint was falling down and the windows were covered with dirt.

油漆掉了，窗户上满是灰尘。

youdao

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

Or worse, wiping down the always-covered-in-schoolwork countertop.

FORBES: All Moms Have Messy Houses And Other Survey Findings

Meanwhile, a dog walker in Saltburn, Cleveland, was rescued by a police helicopter after falling down a steep snow-covered slope in a densely-wooded area.

BBC: Fresh snow brings school closures