contractive activity

• 收缩运动

contractive activity的用法和样例：

例句

1. Also, you can first try to stretch contraction to a soft body, and then gradually increase the frequency and number of abdominal activity.
   而且，你可以先尝试以伸展收缩运动来柔软身体，再慢慢地增加腹部活动的频率和次数。