speedway

speedway
noun
[mass noun]
  1. a form of motorcycle racing in which the riders race several laps around an oval dirt track, typically in a stadium
    (尤指在体育场中举行的)摩托车赛
    ■[count noun]a stadium or track used for this sport
    举行摩托车赛的体育场(或赛车道)
    ■(N. Amer.)a road or track used for motor-car racing
    (北美)汽车比赛路段(或赛车道)
    ■(N. Amer.)a highway for fast motor traffic
    (北美)高速公路
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