Correct or improve the translation of the following Chinese sentences.原文：罗马是建在七山之上的城市，拥有大小500座教堂。
译文：Rome was located on seven hills with big and small five hundred churches.改译：
Correct or improve the translation of the following Chinese sentences.原文：罗马是建在七山之上的城市，拥有大小500座教堂。
译文：Rome was located on seven hills with big and small five hundred churches.改译：
ROME WAS LOCATED ON SEVEN HILLS WITH FIVE HUNDRED CHURCHES, BIG AND SMALL. 
