1、二樓用英語是second floor。second floor讀音:英[?sek?nd fl??(r)],美[?sek?nd fl??r]。
2、We have a big library on the second floor.我們有一個大圖書館在二樓。
3、And some audiences were invited to the second floor.一些觀衆被邀請到二樓。