Here's a picture
一张───a sheet;照片───Photo
He covered up the body with a sheet.───他用一条布单把尸体盖上了。
What frightened you? You've gone as white as a sheet.───什么使你这么害怕? 你脸色苍白.
Though the costume consists only of a sheet, it was very effective.───虽然那件化装服装仅由一条床单组成, 但效果很好.
Your cv should be short—two sides of a sheet of A4 paper should normally be enough.───简历应力求简短，通常A4纸两面的篇幅就足够了。
Her naked body was found wrapped in a sheet in a field.───在田里发现了她的尸体，全身赤裸，裹在一条床单里。
A sheet of frost covers the windshield.───一层霜覆盖了挡风玻璃.
Take a sheet of filo pastry and brush it with melted butter.───取一张擀得很薄的油酥面皮，上面刷上一层熔化的牛油。
The road was covered with a sheet of ice.───路面结了一层冰。
She spread a sheet on the sofa for me.
She tore a sheet of paper in two.
The curtains were enveloped in a sheet of flame.
The lake was covered with a sheet of ice.
There is a sheet of stiff cardboard in the drawer.