be covered with

The stone stairway was covered with lichen.

那石级长满地衣。

His skin was covered with unsightly blotches.

他的皮肤长满难看的疹块。

His face was covered with beads of sweat.

他满脸都是汗珠。

The windows are covered with grilles to deter vandals.

窗戶都安柵栏，以防止故意破坏。

He was covered with bruises after falling off his bicycle.

他从自行车摔下来, 摔得浑身伤痕。

His chin was covered with bristles.

他的下巴长满胡子茬。

The wall was covered with advertisements.

墙贴满广告。

The field is covered with snow.

田野一片积雪。

The grass was covered with frost.

草满霜。

A porcupine is covered with prickles.

箭猪身长满。

The mower is covered with rust.

割草机布满锈。

We now have empirical evidence that the moon is covered with dust.

现在我们有实践经验证明月球布满灰尘。

As the hillside was covered with snow, we had to walk up carefully.

山坡积雪, 我们不得不小心翼翼地向走。

The convector pits are covered with convrete grids that are prefabricated for building pigsties.

供热器并被通常用在猪圈的混凝土格。

Any knots, burn or obvious loosening and corrosion are not allowed.The wire rope should be covered with luboil.

不得有扭结、灼伤及明显的松散、腐蚀等缺陷,绳应有润滑油脂.

The tomatillo is covered with a thin membrane, or calyx, that is a brownish orange color with purple veins.

树蕃茄或花苞是用一个稀薄的膜被，那是一种褐色橙色颜色与紫色静脉。

The battledress was covered with camouflaged coton drill Denison Smock; jump helmet was covered with a net or a grey beret was used.

战斗服是迷彩色的：头盔也有网来防护，或者佩戴贝雷帽。

They have a rounded, oval shape and the head is often concealed by the pronotum when the beetle is viewed from above.The elytra (wing covers) are covered with fine hairs.

从方观察，头部经常隐藏在前胸背板下，鞘翅（翅）着细细的绒毛。