zì​xuǎn​dòng​zuò

optional exercise

zì​xuǎn​dòng​zuò optional exercise

  1. optional
    (bound form) selected by oneself rather than prescribed; optional, such as a self-selected routine in sports
  2. movement
    movement; motion; action; physical activity

zì​xuǎn​dòng​zuò one's own initiative

  1. to choose by oneself
    To select or pick out something for oneself; to have the freedom to choose for oneself
  2. movement
    movement; motion; action; physical activity