警报器 meaning in English
alarm annunciator
alarm apparatus
alarm box
alarm buzzer
alarm device
alarm rattler
alarm siren
alarming apparatus
alertor
bull horn
bullhorn
hooter
signal alarm
sirene
syrem
syren
telltale
Examples
- The thieves ran away when the burglar alarm went off .
防盗警报器一响，盗贼立刻逃走了。 - The guard loosed the dogs when the burglar alarm went off .
防盗警报器一响，警卫就放出了警犬。 - They stayed underground for twenty minutes and waited for the siren to sound again .
他们在地下呆了二十分钟，等候警报器再一次响起。 - On large ranches, copters have sirens for scaring out cattle lost in the bush .
在大的牧场里，直升机装有警报器，可以把失散的牛从灌木丛中吓出来。 - Audible and or visual signaling appliances for fire alert
火灾声和或光警报器