He covered the box with a black sheet.

他用一块黑布覆盖住这个箱子。

youdao

Think of it as freedom of choice wrapped in black sheet-metal.

是否要裹黑色金属片你自主选择。

youdao

Before she knew it she was spinning on a thin black sheet of glass.

在她察觉之前，车已经在一片黑色的薄冰上打滑。

youdao

One part is made of a sheet of metal painted black.

VOA: special.2009.04.20

Engineers from University of Michigan found they could be used to obscure objects so that they appeared to be nothing more than a flat black sheet.

BBC: Carbon nanotubes experiment results

One reason: The actual figures do not appear in black and white on any balance sheet.

WSJ: Cox and Archer: Why $16 Trillion Only Hints at the True U.S. Debt

The shredder that came into my life was a black-and-gray, 9-gallon model: the Royal 14-Sheet Micro-Cut.

WSJ: Paper Shredders: Finding Shredded Bliss