名词
中文翻译：赛马场
同义词：
['track', 'racetrack', 'track course']
例句：
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1. The jockey and his horse are competing on the raceground.
骑师和他的马正在赛马场上比赛。
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2. The horses are running on the raceground to prepare for the next race.
马匹们在赛马场上奔跑，为下一场比赛做准备。
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3. The raceground is a popular spot for horse racing events.
赛马场是举办马术赛事的热门地点。