Oh, do come up and bring a sheet, grandfather, for every bed must have a sheet.

噢，爷爷，快拿床单上来，因为每张床都必须有床单。

youdao

If you have a leather sofa, cover it with a white bed sheet.

如果你有一张皮革沙发，请用一张白色的床单罩住它。

youdao

She will give me some horror but exciting stories, and I hide in my bed sheet and then close my eyes.

她会给我讲一些恐怖但又激动人心的故事，而我躲在我的床单里，然后闭上眼睛。

youdao

So by firing radio pulses through the overlying sheet and recording the return echoes, scientists can plot both the depth of the rock bed and - by definition - the thickness of the ice covering.

BBC: Antarctic ice volume measured