柯林斯詞典siren /?sa??r?n/ (sirens) 1. N-COUNT A siren is a warning device which makes a long, loud noise. Most fire engines, ambulances, and police cars have sirens. (救火車(chē)、救護(hù)車(chē)、警車(chē)等上的) 警報(bào)器 It sounds like an air raid siren. 這聽(tīng)起來(lái)像是空襲警報(bào)。 返回 siren劍橋詞典 siren noun [C] (DEVICE) a device for making a loud warning noise 警報(bào)器，汽笛 police sirens 警笛 When the air raid siren went off people ran to their shelters . 空襲警報(bào)響起時(shí)，人們紛紛跑向掩蔽所。 例句 The siren signalled the approach of an ambulance .In an emergency , the siren will be sounded . siren noun [C] (WOMAN) (in ancient Greek literature ) one of the creatures who were half woman and half bird , whose beautiful singing encouraged sailors to sail into dangerous waters where they died 塞壬（古希臘神話(huà)中的海妖） a woman who is considered to be very attractive , but also dangerous 妖婦，迷人而危險(xiǎn)的女人 返回 siren