The stone stairway was covered with lichen.

那石级长满了地衣。

His skin was covered with unsightly blotches.

他的皮肤上长满了难看的疹块。

His face was covered with beads of sweat.

他满脸都是汗珠。

The windows are covered with grilles to deter vandals.

窗戶都安上了铁柵栏，以防止故意破坏。

He was covered with bruises after falling off his bicycle.

他从自行车上摔了下来, 摔得浑。

The walls of his dormitory room were covered with sexy pin-ups.

他宿舍的墙上贴满性感的裸女画报。

A porcupine is covered with prickles.

箭猪上长满了刺。

His chin was covered with bristles.

他的下巴长满胡子茬。

The mower is covered with rust.

割机布满了锈。

The wall was covered with advertisements.

墙上贴满了广告。

The field is covered with snow.

田野一片积雪。

The grass was covered with frost.

上盖满了霜。

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

现在我们有实践经验球上布满了灰尘。

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上走。

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上的混凝土格栅覆盖。

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

不得有扭结、灼及显的松散、腐蚀等缺陷,绳上应有润滑油脂.

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盖，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：头盔上也有网来防护，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.

从上方观察，头部经常隐藏在前胸背板下，鞘翅（翅盖）上覆盖着细细的绒毛。