flexion of hip joint

例句：

1. 1. The car's suspension system is designed to minimize flexion during acceleration.
   汽车的悬挂系统设计成在加速时最小化弯曲。
2. 2.The scientist observed the animal's movement and noted its flexion of the joints.
   科学家观察到了动物的运动，并注意到了关节的弯曲。
3. 3. The engineer calculated the load distribution and analyzed the flexion of the beam under various loads.
   工程师计算了载荷分布，并分析了梁在不同载荷下的弯曲情况。