sanitary gymnastics

例句：

1. 1. The hospital is designed to provide a sanitary environment for patients.
   这家医院设计用来为患者提供一个卫生的环境。
2. 2. Sanitation is essential for maintaining a clean and healthy living environment.
   清洁卫生对于保持一个干净健康的生活环境至关重要。
3. 3.The sanitary practices of the community have improved significantly in recent years.
   近年来，社区的卫生习惯有了显著的改善。