名词
中文翻译：足迹
同义词：
['step', 'footprint例句：1. He carefully stepped over the fallen tree to avoid getting injured.（他小心翼翼地跨过倒下的树，以免受伤。）']
例句：
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1. He carefully stepped over the fallen tree to avoid getting injured.
他小心翼翼地跨过倒下的树，以免受伤。
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2.The detective followed his footsteps to find the clue.
侦探根据脚印找到了线索。
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3. The hikers were amazed by the beautiful scenery along their footsteps.
徒步旅行者对沿途的美丽风景感到惊叹。