The running and hurdling competitions make up the track events.

径赛项目有跑步和障碍两种.

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Hurdling events are dashes in which competitions must clear a series of ten barriers called hurdles.

在跨栏项目中,运动员需要跨过十个栏.

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Hurdling events are dashes in which competitors must clear a series of ten barriers called hurdles.

在跨栏跑项目中运动员需要跨过十个栏.

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