非刚性的

例句：

1. 1. The material is non-rigid enough to be used in aerospace engineering.
   这种材料足够非刚性，可以用于航空航天工程。
2. 2. The chair was made of non-rigid plastic, so it could easily be moved around the room.
   椅子是用非刚性塑料制成的，所以可以轻松地在房间里移动。
3. 3. Non-rigid materials are often used in construction because they can withstand large forces without breaking.
   非刚性材料常用于建筑中，因为它们可以在承受大力量时不会断裂。