| 例句 |
alarm noun alarm ♦︎ siren ♦︎ hornThese are all words for a device that makes a noise to warn people or attract their attention. 这些词均指能发出警报的装置。PATTERNS AND COLLOCATIONS 句型和搭配◆to hear an alarm / a siren / a horn◆an alarm / a siren / a horn sounds■ alarm [countable] a device that makes a noise to warn people of a particular danger 警报器◆All new houses must be fitted with a smoke alarm.所有新建房屋必须安装烟雾警报器。◆The earthquake set off burglar alarms throughout the city.地震触发了全城的防盗警钟。◆A car alarm went off in the middle of the night.半夜里，一辆汽车的警报器突然响了起来。 see also alarm ⇨ warning ■ siren / /ˈsaɪrən/ / [countable] a device that makes a long, very loud noise as a warning or signal 警报器；汽笛◆Air-raid sirens sounded to warn everyone in the city that an attack was coming.空袭警报响起，提醒城里的人空袭即将来临。◆A police car raced past with its siren wailing.一辆警车鸣着警笛飞驰而过。■ horn [countable] a device in a vehicle for making a loud noise as a warning or signal （汽车）喇叭◆She flashed her lights and honked her horn at the car in front.她向前面的车闪了车灯，按了喇叭。◆Behind him, a horn blared.在他身后响起了刺耳的喇叭声。 |