名词
中文翻译：脚迹
同义词：
['step', 'footprint']
例句：
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1. The trailof footfalls led to the forest.
脚印通向了森林。
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2. He had a lotof footfalls in his office.
他在办公室里有很多脚印。
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3. The police were searching forany footfalls that might lead themto the thieves.
警方正在寻找任何可能引导他们找到小偷的脚印。