louder speaker

英 美
  • 扬声器
  • louder adj.更大声的
  • speaker n.说话者;发言者;说某种语言者;扬声器
    1. The left-hand speaker doesn't seem to be working.
      左手的扬声器看样子失灵了。
    2. The speaker volume is not turned up or is muted.
      扬声器音量没打开或静音。