[N-COUNT 可数名词]地下室;地下层 The basement of a building is a floor built partly or completely below ground level.
They bought an old schoolhouse to live in and built a workshop in the basement...
他们买了一处老校舍当住房,然后在地下室里建了一个作坊。
They live in a basement flat in North London.
他们住在伦敦北部的一所地下公寓里。
Oxford
base·ment/ˈbeɪsmənt; NAmEˈbeɪsmənt/nouna room or rooms in a building, partly or completely below the level of the ground 地下室;地库◆Kitchen goods are sold in the basement.厨房用具在地下室出售。◆a basement flat/apartment设在地下室的一套房间☞see also