megaphone /'megәfәun/ 📖 中文释义 n. 扩音器[医] 反射扩音器 🔗 释义中的汉语词 扩音器 🧩 词形变化 复数 megaphones 📘 English Definition(英文释义) n. a cone-shaped acoustic device held to the mouth to intensify and direct the human voice ← megaphenocryst M 字母词表 megaphones →