mezzanine
n
1 floor between the ground floor and the first floor of a building, often in the form of a balcony 夹楼层(介於一楼与二楼之间, 通常为阳台式)
[attrib 作定语]
a mezzanine floor, department, etc 夹层楼面、 在夹楼层上的部门.
2 (US) (first few rows of the) lowest balcony in a theatre (戏院的)最低层楼厅(前座). Cf 参看 dress circle (dress1).