nonrigidity

例句：

1. 1. The material is nonrigid, so it can be easily shaped.
   这种材料是无弹性的，所以可以很容易地塑形。
2. 2. The molecule has a nonrigid structure that allows for flexibility.
   这个分子有一个无弹性的结构，这使得它能够灵活。
3. 3. The nonrigidity of the material makes it suitable for use in various applications.
   材料的非刚性使其适用于各种应用。