diagonal pair of legs

例句：

1. 1. The painter used a diagonal to create the illusion of depth in his painting.
   画家使用对角线在画作中创造出深度的错觉。
2. 2.The runner crossed the finish line diagonally, taking advantage of the slight slope.
   跑者斜穿过终点线，利用了轻微的坡度。
3. 3. The architect designed a building with diagonal walls to maximize natural light and ventilation.
   建筑师设计了一面墙成对的建筑物，以最大限度地利用自然光和通风。