从前兔子和乌龟举行了一次赛跑比赛。
这是一种由游泳、自行车和赛跑组合而成的比赛。
他曾和国内最佳赛跑选手中的几位比赛。
He has raced against some of the best runners in the country.
跑步很简单，你和别人比赛跑步轻轻松松就拿第一名。
Running is very simple, you compete with others and running easily took the first place.
我也兴冲冲地画起了动物运动会，有小马和小狗比赛跑；
I excitedly to draw up the animal games, a dog and pony race;
我将参加百米赛跑和跳高比赛。
我将参加百米赛跑和跳高比赛。
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