您要查找的是不是：
- The arch has a span of 60 metres. 那个拱的跨度为60米。
- What made the Roman Empire decay? 罗马帝国为何衰亡？
- The boy walks through the undecorated arch. 那男孩走过未经装饰的拱门。
- This castle dates back to Roman times. 这个城堡可追溯到罗马时代。
- Have you read another epic about the Roman Empire? 你读过另一部关于罗马帝国的史诗吗？
- Here is a book about Roman history. 这是一本关于古罗马历史的书。
- The Roman arena was very famous. 罗马竞技场是很出名的。
- They considered him their arch opponent. 他们将他看成是主要对手。
- Marble Arch is a famous London landmark. 大理石拱门是著名的伦敦标志。
- Go through the arch and follow the path. 穿过拱门，沿著那条路走。
- He studies Greek and Roman mythology. 他研究希腊和罗马神话。
- Have you been to the Triumphal Arch? 你去过凯旋门吗？
- We saw sculptures of ancient Roman gods. 我们看到古代罗马神的塑像。
- That movie was an epic about the Roman Empire. 那电影是一部有关罗马帝国的史诗般的作品。
- The house was built in imitation of a Roman villa. 这所房子是仿造古罗马别墅式的建筑。
- In the end, the Roman Empire crumbled. 最终,罗马帝国崩溃了。
- I am very interested in Greek and Roman mythology. 我对希腊罗马神话非常感兴趣。
- The Roman Empire existed for several centuries. 罗马帝国存在了几百年。
- The keystone in the crown of an arch. 拱顶石位于拱顶的塞缝石
- An arch over an entrance or passageway. 拱门，牌楼入口或通道上的拱顶
