sanatorium
noun [ C ] uk/ˌsæn.əˈtɔː.ri.əm/ us/ˌsæn.əˈtɔːr.i.əm/ sanatoriums or sanatoria (US also sanitarium)
疗养院，休养所
a special type of hospital, usually in the countryside, where people can have treatment and rest, especially when getting better after a long illness