地上20层，地下2层建筑的翻译：20 floors on the ground, 2 floors underground building 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

20 floors above ground and 2 underground floors building

20 floors on the ground, 2 floors underground building

Ground 20, underground 2 buildings

Ground floor, 20 2-story building, ground floor

20 floors on the ground, 2 floors underground building