walk-up

1. N-COUNT A walk-up is a tall apartment building that has no lift. You can also refer to an apartment in such a building as a walk-up. 無電梯的公寓大樓; 無電梯直通的公寓[美國英語]

She lives in a tiny fifth floor walk-up in New York's East Village. 她住在紐約東村一幢公寓樓5層的一間沒有電梯直達(dá)的狹小公寓里。