acute angle intersection

例句：

1. 1.The sharp angle of the roof is a perfect spot for a bird's nest.
   屋顶的锐角是鸟儿筑巢的理想地点。
2. 2. The architect designed the building with an acute angle to maximize natural light.
   建筑师设计这座建筑时，采用了锐角设计，以最大限度地利用自然光。
3. 3.The intersection of two roads forms a critical point in the city's traffic flow.
   两条道路的交汇点是城市交通流中的关键节点。