常見例句雙語例句Two Roman inventions allowed for greater architectural flexibility: the dome and the groin vault-formed by the intersection of two identical barrel vaults over a square plan.兩組羅馬特色的發(fā)明使得建筑更加靈活起來:穹頂以及通過兩個獨立筒形拱頂交叉于一個正方形設(shè)計上的交叉拱頂。blog.sina.com.cn 返回 groin vault