hydrodynamic drag

例句：

1. 1. The boat's hydrodynamic drag is significant in its speed.
   船的水动力学阻力在速度上是显著的。
2. 2. The wind tunnel experiment showed the importance of hydrodynamic drag in predicting aircraft performance.
   风洞实验显示了水动力学阻力在预测飞机性能中的重要性。
3. 3.The design of the ship's propeller was optimized to reduce hydrodynamic drag.
   船的螺旋桨设计被优化以减少水动力学阻力。