3楼用英语怎么说

3楼在英语中叫做"the third floor." 来源是建筑物楼层命名的惯例。例句：
The third floor has a nice view of the city. (3楼有一个很好的城市景观。)
Can you meet me on the third floor at 10am? (你能在早上10点和我在3楼见面吗？)
The third floor is where the library is located. (图书馆就在3楼。)