锐尖拱

例句：

1. 1. The architect designed a sharp arch for the bridge.
   建筑师为桥梁设计了一个锐角拱。
2. 2. The sharp arch of the bridge is an architectural masterpiece.
   桥的锐角拱是建筑杰作。
3. 3. The sharp arch of the bridge is a symbol of modern architecture.
   桥的锐角拱是现代建筑的象征。