( British) a canvas cone hoisted to warn of high winds.( British) a canvas cone hoisted to warn of high winds.
(英国)升起用以警告大风来临的帆布圆锥标志。
[ I ] If a siren (= loud noise to warn of danger) wails, it makes a noise.[ I ] If a siren (= loud noise to warn of danger) wails, it makes a noise.
выть, завывать Somewhere in the distance a police siren was wailing.
B1 [ C ] a device that makes a loud noise to warn of danger:B1 [ C ] a device that makes a loud noise to warn of danger:
burglar alarm
B1 [ C ] a device that makes a loud noise to warn of dangerB1 [ C ] a device that makes a loud noise to warn of danger
警报器;警报装置 a burglar/car/fire/smoke alarm 防盗/汽车/防火/烟雾警报器
Birds sometimes chatter to each other to warn of danger.Birds sometimes chatter to each other to warn of danger.
鸟儿有时互相啁啾,通报危险。