bullhorn
🇺🇸
/ˈbʊlhɔːrn/
🇬🇧
/ˈbʊlhɔːn/
A loudspeaker that can amplify your voice, shaped like a cone and often used for public announcements.
The coach used a bullhorn to give instructions to the players during the game.
教練在比賽中使用擴音器向球員們發出指令。