drop arch

例句：

1. 1. The drop arch at the entrance of the museum is a masterpiece of modern architecture.
   博物馆入口的倒拱门是现代建筑的杰作。
2. 2. The architect designed this building with an emphasis on its structural integrity, which is evident in the drop arches.
   建筑师设计这座建筑时特别注重其结构完整性，这一点在倒拱门中尤为明显。
3. 3.The drop arches are used to support the weight of the roof and provide a visually striking element to the facade.
   倒拱门用于支撑屋顶的重量，并为立面提供视觉上引人注目的元素。