diagonal stratification

例句：

1. 1. The architect drew a diagonal line across the floor to dividethe room.
   建筑师在地板上画了一条对角线，将房间分成两部分。
2. 2. The bookwas divided into two parts by a diagonal line.
   这本书被一条对角线分成了两半。
3. 3. The chefused a diagonalcutting board to prepare the dish.
   厨师使用一个对角切割板来准备这道菜。