The duvet cover needs to be washed.

羽绒被套需要清洗。

This is a London 2012 branded duvet cover

这是一个印有“伦敦2012”字样的绒毛铺毯。

I saw a duvet cover that would be just right for the living room.

我看见一铺绒毛毯,那正适合起居室.

I took an old full-size comforter and covered it with a duvet cover.

我拿了一条舒适的旧的大尺寸棉被，用一条羽绒棉被覆盖在上面。

Can you imagine what it would have been the size of if you did itin a duvet cover?

如果是装在被套里的话，你能想象它有多大吗？