Swiss ball
noun [ C ] uk/ˌswɪs ˈbɔːl/ us/ˌswɪs ˈbɑːl/ (also balance ball, exercise ball, fitness ball, stability ball, yoga ball)
（可以坐在或躺在上面锻炼身体的）瑞士球，抗力球，治疗球
a large ball for sitting or lying on while exercising
Then we did some work with a Swiss ball and some weights. 然后我们用一个瑞士球和几个哑铃做了一些练习。
Grab two Swiss balls and lie face down across them. 抓起两个瑞士球，脸朝下趴在上面。
- More examples
- You can use it like a Swiss ball for sit-ups.
- Lean your right shoulder against a Swiss ball that's placed against a wall.
- I spend half an hour stretching and doing abdominal core-stability work every day, either with a Swiss ball or on my yoga mat.