piece of material hung to cover a window是什么意思?

piece of material hung to cover a window是什么意思? piece of piece of 有没有 ONE PIECE OF 这个短语?我只听过A PIECE OF啊,还有类似的短语吗?那有没有this/that piece of 这样的短语？应该没有吧？那为什么有这样的句子：this piece of material may be cut up to make a pair of trousers Material of No. a piece of summer.a piece of piece of love中文歌词! a piece of work piece of me Piece Of Heaven 歌词 a blank piece of take a piece of A piece of a piece of a piece of cake a piece of paper piece of clothes是什么意思 A piece of cake