dip-switch

n (Brit) switch for dipping a motor vehicle's headlights 调节汽车前灯远近光的开关; 汽车大灯调光开关.

dingy, dining, dining room, dining-car, dining-room, dining-table, dinky, dinner, dinner service, dinner set, dinner-jacket, dinner-party, dinosaur, dint, diocesan, diocese, dioxide, dip, Dip Ed, dip into, dip-stick, dip...into..., diphtheria, diphthong, diploma, diplomacy, diplomat, diplomatic, diplomatic bag, diplomatic corps, diplomatic immunity, diplomatic service, diplomatically, diplomatist, dipper, dipsomania, dipsomaniac, diptych, dire, direct, direct access,