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1·The tower of Pisa was built to be the most beautiful bell tower in all of Italy. It is the bell tower for Pisa Cathedral.

在全意大利所建造的塔中．比萨斜塔是最美丽的钟塔。它是比萨大教堂的钟塔。

2·The Tower of Pisa is the bell tower of that city's cathedral in Italy.

比萨斜塔位于意大利，是大教堂的钟楼。

3·The tower of Pisa is the bell tower of that city's cathedral in Italy.

比萨斜塔位于意大利，是大教堂的钟楼。