流体静力学

例句：

1. 1. The fluidity of the liquid is measured by its viscosity.
   液体的流动性通过其粘度来测量。
2. 2. The scientist used a special fluid to dissolve the crystals.
   科学家使用一种特殊的液体来溶解晶体。
3. 3. The fluid flowed smoothly through the pipes.
   流体顺畅地流过管道。