belfry cloth

例句：

1. 1. The sailors are busy preparing their belfry cloth for the next voyage.
   水手们忙着准备他们的布帆，为下一次航行做准备。
2. 2.The belfry cloth is a traditional material used in shipbuilding.
   布帆是一种传统材料，用于造船。
3. 3. The belfry cloth was made from natural fibers and dyed with organic pigments.
   布帆是由天然纤维制成的，用有机颜料染成。