名词
中文翻译：障碍
同义词：
['barrier', 'obstacle', 'threshold', 'barrier step']
例句：
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1. The teamhad to hurdle step over the obstacle to reach the other side.
队伍必须跨越障碍才能到达另一边。
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2. She hurdle stepped over the fence and entered the park.
她跨过栅栏进入了公园。
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3.The climber hurdle stepped up the mountain to reach the summit.
登山者爬升到山顶以到达顶峰。