megaphone的例句（megaphone在句子中的用法）

• transistor megaphone 晶体管扩音器
• electric megaphone 喊话器
• Somewhere a voice is loud a megaphone. 远处什么地方的扩音器里传来响亮的声音.
• He hawks with a megaphone, saving a lot of effort. 他用喇叭筒叫卖, 省劲多了!
• A megaphone boomed out, "This is the police." 扩音器响了起来：“我们是警察。”