subwoofer

英 [ˈsʌbwuːfə(r)] 美 [ˈsʌbwʊfər]

n.  (扩音器的)低音炮,低音音箱

复数:subwoofers

COCA.30435



牛津词典

noun

  1. (扩音器的)低音炮,低音音箱
    a part of a loudspeaker that produces very low sounds

    英英释义

    noun

    1. a loudspeaker that is designed to reproduce very low bass frequencies