英和和英

名詞

traffic beam (複数形 traffic beams)

1. (automotive, dated) A headlight setting intended for roads with traffic on them at night.
   • 1940, Ralph A. Richardson, Optics and Wheels, General Motors Corporation, p. 25

     For your own safety and that of others, follow the suggestion in the verse:

     “Use country beam

     When roads are clear,

     Use traffic beam

     When cars are near.”