floor怎麼分詞

第三人稱單數：floors現在分詞：flooring過去式：floored過去分詞：floored。

例句：

There were papers lying around all over the floor.

地板上四處散亂着檔案。

The floor of the car was covered in cigarette ends.

小轎車內底板上滿是菸蒂。

This floor has been designated a no-smoking area.

這樓層已定爲無煙區。