dimmer switch
noun /ˈdɪmə swɪtʃ/
/ˈdɪmər swɪtʃ/
(also dimmer)
- a switch that allows you to make an electric light brighter or less bright
调光器;调光开关;亮度调节开关 - (North American English) (British English dip switch)a switch that allows you to make the front lights on a car point downwards
(汽车的)前灯变光开关