Duplex apartment: an apartment having rooms on two adjoining floors connected by an inner staircase.

二联式公寓：占两层楼，楼层间由内部楼梯相联的公寓。

youdao

Duplex apartment: an apartment having rooms on two adjoining floors connected by an inner staircase.

二联式公寓：占两层楼，楼层间由内部楼梯相联的公寓。

youdao