調光器

dimmer

light / ray / CL:道[dao4] / bright / only / merely / to use up

device / tool / utensil / CL:臺|台[tai2]

to transfer / to move (troops or cadres) / to investigate / to enquire into / accent / view / argument / key (in music) / mode (music) / tune / tone / melody

to harmonize / to reconcile / to blend / to suit well / to adjust / to regulate / to season (food) / to provoke / to incite