bullhorn/ˈbʊl.hɔːrn/名词喇叭,话筒,扩音器(同 megaphone)The protest leader spoke passionately into the bullhorn, amplifying her message to the crowd.抗议活动领导者在扩音器里充满激情地演讲,将她的讯息传达给人群。想跟读,去练习