我住在一栋单元楼的四层英语

⑴ 我住在XX小区XX号楼XX单元XX号用英语怎么说

I live in Room xxx, Unit X, Building x, XX District, XX City, XX Province, China
我住在XX小区XX号楼XX单元XX号

⑵ 四层楼怎么翻译成英式英文

四层楼：four-storey, 例如：一栋四层楼的建筑：a four-storey building；如果要说第四层，英式英语是 third floor.