hemicycle

例句：

1. 1.Hemicycles are a type of exercise that involves moving your arms and legs in a circular motion.
   半周期运动是一种涉及手臂和腿部以圆周运动移动的运动。
2. 2.The hemicycles were designed to improve balance and coordination.
   半周期运动旨在提高平衡和协调能力。
3. 3. During the hemicycles, you will be required to perform various exercises that target different muscle groups.
   在半周期运动期间，你将被要求执行各种针对不同肌肉群的练习。