keep-fit exercise

• 健身操

keep-fit exercise的用法和样例：

例句

1. Aerobic exercise helps to build up stamina.
   有氧健身操有助于增强耐力。
2. In order to keep an elegant figure, she has been doing body-shaping exercises for many years.
   为了保持体形优美，她多年来一直坚持做健身操。