road runner

1. Like the cartoon Road Runner going off the edge of a cliff, the Canadian company has been spinning its legs without visible means of support for some time.
   正如动画《哔哔鸟和大笨狼》中大笨狼怀尔跑出悬崖的样子，这家加拿大公司在没有任何可见支撑的情况下双腿打转有一段时间了。
2. Among them was an employee of the Elkhorn Burger King who witnessed the beast running along the road; she described it as a "very powerful, fast runner."
   其中有一对埃尔克霍恩汉堡王谁目睹兽沿道路行驶的雇员，她形容为“非常强大，跑得最快的人。”

noun

1. someone who participates in long-distance races (especially in marathons)

   Synonym:    marathonermarathon runnerlong-distance runner