noun 下载 🔗分享 警报器, 喇叭 A loud electric alarm or horn. Examples : "The school's fire alarm, a series of loud klaxons, went off, startling everyone in the hall. " 学校的火警警报,是一连串响亮的警报器喇叭声,响了起来,吓了礼堂里的所有人一跳。 sound technology electronics signal machine vehicle communication traffic electric 与AI对话词汇游戏阅读练习