inelastic body

例句：

1. 1. The physicist's theory of relativity is a fundamental principle of modern physics.
   物理学家的相对论是现代物理学的一个基本原理。
2. 2.The scientist used an inelastic body to measure the speed of light.
   科学家使用了一个不可压缩体来测量光速。
3. 3.The inelastic body was found to be made up of tiny particles that interact with each other.
   这个不可压缩体被发现是由微小的粒子组成的，这些粒子相互影响。