floor可數(shù)嗎

　　第三人稱單數(shù)：floors；現(xiàn)在分詞：flooring；過去式：floored；過去分詞：floored。

　　例句：

　　There were papers lying around all over the floor.

　　地板上四處散亂著文件。

　　The floor of the car was covered in cigarette ends.

　　小轎車內(nèi)底板上滿是煙蒂。

　　This floor has been designated a no-smoking area.

　　這樓層已定為無煙區(qū)。