imcompressible hydrokinematics

例句：

1. 1. The compressibility of gases is a fundamental property of matter.
   气体的可压缩性是物质的基本属性。
2. 2. The material is incompressible and cannot be deformed by external forces.
   这种材料是不可压缩的，不能受到外力的影响而变形。
3. 3. The engineer found that the structure was incompressible and needed to reinforce it.
   工程师发现结构是不可压缩的，需要加固。