一座独立式钟塔用英语怎么说？

一座独立式钟塔

A freestanding bell tower

freestanding

adj. （家具或设备）独立式的；

例句
Belfry: bell tower , either freestanding or attached to another structure.
钟楼: 独立的或附在另一建筑上的钟楼.

bell

n. 钟，铃，钟声，铃声，钟状物，[建]圆屋顶；vt. 敲钟，系铃于，给…装上铃，使成铃状，把…放在钟形罩内；vi. 使象钟状地张开，鸣钟；

例句
I had just enough time to finish eating before the bell rang and I was off to my first class...
我刚吃完饭铃声就响了，于是我赶去上第一堂课。

tower

n. 塔，楼塔，要害地，〈罕〉（负伤鸟的）笔直向上飞，〈美〉铁路信号所；vi. 远远高于，远远超过，高耸，超越；na. “Towers“的变体；

例句
Two firemen were hurt in a blaze which swept through a tower block last night.
昨晚，一场大火吞噬了一座高层建筑，两位消防员被烧伤。