mezzanine

剑桥词典

a small extra floor between one floor of a building and the next floor up
夹楼，夹层楼面
You can look down from the mezzanine onto the ground floor lobby . 你可以从夹楼往下看到一楼大堂。
The shoe department is on the mezzanine floor . 鞋品部在夹层楼面。
US
the front few rows of seats of the level above ground , or all of the level above ground , in a place such as a theatre or sports stadium
（戏院或体育场的）最底层楼厅的前几排座位，最底层楼厅 返回 mezzanine