outhouse
/ˈauthaus; `aʊtˌhaʊs/ n
1 small building (eg a shed or stable) outside the main building （在主建筑物外面的）附属建筑物（如棚或厩）
She did her washing in one of the outhouses. 她在户外的一间小屋里洗衣服. Cf 参看 outbuilding.
2 (US) outside lavatory (enclosed, but separate from the main building) 户外厕所.