homestay
noun [ C or U ] uk/ˈhəʊm.steɪ/ us/ˈhoʊm.steɪ/
寄宿型（假期、访问等）
a type of holiday or visit in which you stay in the home of a person you do not know
They offer Spanish courses for $2,500 including tuition, activities, and homestay. 他们提供西班牙语课程，2500美元的费用包括辅导、活动和寄宿。
a homestay scheme/package/option 寄宿方案／套餐／选项