sanitation
🇺🇸
/ˌsænɪˈteɪʃn/
🇬🇧
/ˌsænɪˈteɪʃn/
keeping places clean and healthy by removing waste
Good sanitation helps prevent diseases by keeping our surroundings clean.
良好的环境卫生通过保持我们周围环境的清洁来帮助预防疾病。