英汉词典

1. 地下室；地下层
    The basement of a building is a floor built partly or completely below ground level.

basement

    e.g. 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。
    e.g. 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。