Always keep food covered to prevent contamination by flies.

时常把食物盖着以防苍蝇污染。

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。

Have you reviewed what we covered in class yesterday?

昨天我们课堂上讲的东西你们复习了吗?

A scale of rust covered the steel plate.

一层铁锈覆盖了钢板。

His skin was covered with unsightly blotches.

的皮肤上长了难看的疹块。

Humanity in bathing suits covered the sand.

海滩上穿着泳装的人。

His face was covered with beads of sweat.

都汗珠。

The kitchen floor resembles an archaeological dig, covered as it is by these brittle tesserae.

我家厨房的地板看上就像一块出土文物，上面斑斑的饼干渣。

The pond was covered in a brittle layer of ice.

池塘覆盖了一层易碎的冰。

He covered a wide range of topics with unusual candor.

极其坦率地谈了许多问题。

He was covered with bruises after falling off his bicycle.

从自行车上摔了下来, 摔得浑身伤痕。

The stone stairway was covered with lichen.

那石级长了地衣。

She covered the table with a cloth.

她用一块布把桌子罩起来。

He made a wet croaky whimpering sound and covered his face.

发出一声低泣手捂住了。

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

宿舍的墙上贴性感的裸女画报。

Soft choux pastries filled with a superb chantilly cream , all covered with chocolate cream.

精致泡芙，中间鲜奶油巧克力馅，外面覆盖一层奶油巧克力。

The inside of a chimney soon gets covered in soot.

烟囱里面很快就覆盖了一层煤烟。

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。

These expenses are covered by the state.

这些费用都由国家负担。

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。