基本释义
n.
扩音机
相关例句
loud-speaker
3.After he had disappeared down the tunnel again, the loud speaker system played Kalinka in the habitual pre-match tribute to Abramovich.
4.At the L metro station in northern Paris, a loud speaker informs commuters trains were functioning sporadically, rather than not at all as it had as a few days before.
5.Further, practicing the speech out loud will help the speaker identify the strong and weak parts of the speech.
