loudhailer
🇺🇸
/ˌlaʊdˈheɪlər/
🇬🇧
/ˌlaʊdˈheɪlə(r)/
noun
R
A device that amplifies your voice, shaped like a cone, and used for public speaking or making announcements.
The coach used a loudhailer to give instructions to the team during the match.
教练在比赛期间使用扩音器向团队发出指令。
translation
扩音喇叭
词形变化
Plural
loudhailers