round arches and attenuated columns的用法和樣例：
例句
- Aia awoke at dawn to find her husband standing between the arches leading to the door of the fallen Ayleid city.
艾爾在黎明時分蘇醒了，發現她的丈夫站在通往衰落的亞力德城市大道的拱門之間。 - The gateway design is two arches crossing the freeway, similar to that of the atomic symbols.
入口的設計是兩個跨越高速公路的拱門，其形狀彷彿原子的運動軌跡。
