健身实心球

例句：

1. 1. She is practicing yoga to stay fit and healthy.
   她正在练习瑜伽来保持健康。
2. 2. The gym has a variety of equipment for different exercises.
   健身房有各种设备供不同的锻炼使用。
3. 3. He lifted the weight with great strength, demonstrating his fitness level.
   他用力举起了重量，展示了他的体能水平。