雅思词汇sanitation

"sanitation" 的意思是 公共卫生或 环境卫生，它涉及保持地方清洁和健康，特别是通过提供排污系统和洁净水供应的过程。例如：

1. The hazards of contaminated water and poor sanitation.（污水和不良公共卫生的危害）

2. Sanitation is the process of keeping places clean and healthy, especially by providing a sewage system and a clean water supply.（卫生是通过提供排污系统和洁净水供应来保持地方清洁和健康的过程）

3. Environmental sanitation refers to the maintenance and improvement of the sanitary conditions of the environment, including the management of waste and the protection of public health.（环境卫生是指维护和改善环境卫生条件，包括废物管理和保护公共卫生）