cut off floor

• 采板层楼面

cut off floor的用法和样例：

例句

1. Heavy timbers supported the floor above.
   粗大的横梁支撑着上面的楼面。
2. The new store has escalators to carry customers from one floor to another.
   这家新商店有自动扶梯将顾客从一层楼面运送到另一层楼面。