dimmer switch

短语

n. （大灯的）变光开关

词形变化

dimmer switches 复数 dimmer switches

释义与例句

n.
  1. 1.

    A light switch which can adjust the brightness of the switched lamp from dim to bright, as well as turning it on and off.

  2. 2.

    A switch that changes the headlamps on a motor vehicle from low to high and from high to low beam; a high-beam switch; a brights switch.

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