megaphone
US /ˈmeɡ.ə.foʊn/
UK /ˈmeɡ.ə.fəʊn/
名词
扩音器, 喇叭
a cone-shaped device used to amplify the voice
示例:
•
The protest leader used a megaphone to address the crowd.
抗议领袖用扩音器向人群讲话。
•
Her voice was amplified by the megaphone, reaching everyone in the square.
她的声音通过扩音器放大，传到了广场上的每个人。