The first citation for rug as a bed covering appeared in 1591in a Spanish English dictionary; rug was the English word being offered as a translation of a Spanish term.

“rug”第一次作为床上用品被引用是在1591年出版的一部西班牙语英语词典；当时，它被用作一个西班牙文术语的英文翻译。

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When they had arrived in Heidi's room, the doctor put the little girl to bed, covering her up carefully.

当他们来到海蒂的房间时，医生把小女孩放到床上，小心地把她用被子盖好。

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When it grew dark, she turned a suitcase into a bed and put the children inside it, covering them with all the clothes she could find.

天黑下来的时候，她把提箱当作小床，把两个孩子放了进去，又把所有能找到的衣服都盖在了孩子们身上。

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Yates had a history of postpartum psychosis, major depression and two suicide attempts before she drowned her children and laid their bodies on her bed, covering them with a sheet.

CNN: Andrea Yates case: Expert: Mom believed she was battling Satan

It is this humanity to her work that has made her popular, such as covering a bed in a hessian before casting it, so as to give it a "hairy" texture.

BBC: Whiteread's 'hands-on' approach

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