noun🔗Share扩音器，喇叭筒。 A portable, usually hand-held, funnel-shaped device that is used to amplify a person’s natural voice toward a targeted direction."The teacher used a megaphone to address the large group of students gathered outside. "老师用一个喇叭筒向聚集在外的众多学生讲话。technologydevicecommunicationsoundmediaChat with AIVocabulary GamePractice Reading
noun🔗Share扩音器，代言人。 Mouthpiece or promoter; one who speaks for or publicizes on behalf of another."The student council's spokesperson, acting as a megaphone for the entire student body, urged the principal to reconsider the new dress code. "学生会的发言人，作为全体学生的代言人，敦促校长重新考虑新的着装规定。communicationmediatechnologysounddeviceChat with AIVocabulary GamePractice Reading
verb🔗Share用扩音器喊话，用喇叭筒喊。 To use a megaphone; to speak through a megaphone."The teacher megaphoned instructions to the students outside during the assembly. "集会时，老师用喇叭筒对着外面的学生喊话，发布指示。communicationtechnologysoundmediadeviceChat with AIVocabulary GamePractice Reading
noun🔗Share巨型喇叭树脂素 A cytotoxic neolignan obtained from the laurel Aniba megaphylla."Scientists are studying the megaphone, a compound from a particular type of laurel tree, for its potential anti-cancer properties. "科学家们正在研究巨型喇叭树脂素，这是一种从特定类型的月桂树中提取的化合物，因为它可能具有抗癌特性。medicinecompoundbiochemistryplantsubstanceChat with AIVocabulary GamePractice Reading
