名词
中文翻译：踏步
同义词：
['rolling circle', 'circular tread例句：1. The engineer used a tread to smooth the surface of the road.（工程师用踏步来平整路面。）']
例句：
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1. The engineer used a tread to smooth the surface of the road.
工程师用踏步来平整路面。
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2.The scientists conducted experiments using a rolling circle method.
科学家们使用滚动圆周法进行实验。
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3.The team members followed the leader's tread as they made their way through the forest.
团队成员跟随领导者的踏步穿过森林。