security light
noun[C]
uk/sɪˈkjʊə.rɪ.ti ˌlaɪt/us/sɪˈkjʊr.ə.t̬i ˌlaɪt/anelectriclight, usuallyoutsideabuilding, thatswitcheson when someone or somethingmovesnear it:
安全灯（安装在建筑物外面，一旦有人在黑暗中靠近便会自动亮起的警示灯）Burglarstriedtobreakinto thehousein the earlyhours, but they werespottedbyvigilantneighbourswhensecuritylightscame on.小偷凌晨时分企图破门而入，但安全灯亮起，他们被警惕的邻居发现了。
Theanimalwasseenin a backgardenwhen it set off asecuritylight.这只动物引亮了安全灯，有人看见它在后花园里。
- There are infrared-sensingsecuritylightson thewallof thehouseand if they go on then I'm up and over thewalland away.
- Aspecialtypeofoutsidelightis thesecuritylight, which isswitchedon by apassiveinfra-redsensorwheneversomeoneapproaches.
- Lockedgates,windowlocksandsecuritylightsareconsidereddeterrentsbyburglars.
Defending and protecting
- anti-bug
- anti-mosquito
- baby
- bandobast
- bastion
- buffer
- defence
- defend
- harbour
- harm
- have (got)someone'sbackidiom
- hold off
- inoculation
- killsomeonewith kindnessidiom
- shield
- splashproof
- takesomeoneunderyourwingidiom
- watch list
- watchyourbackidiom
- wing
You can also find related words, phrases, and synonyms in the topics:
Electrical switches & connections