platy joint

例句：

1. 1. The platy is a geometric shape with six equal sides.
   多面体是一种具有六个相等边的几何形状。
2. 2.The platy has many applications in architecture and engineering.
   多面体在建筑和工程中有广泛的应用。
3. 3. The platy is used to measure the length of a line segment.
   多面体用于测量线段的长度。