复数：coulisses
1.【机】滑糟;滑板;滑动片;游标
2.【戏】侧面布景;二片侧面布景之间的空间;后台
3.【建】穿堂门厅
1.in a theater, a piece of side scenery on a stage or the space between two of these pieces
coulissescoulissescoulisses