名词
中文翻译：轨道
同义词：
['trace', 'path', 'route']
例句：
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1. The train tracks are laid out in a straight line.
火车轨道是直线铺设的。
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2. He followed the trail of footprints to find his way back.
他沿着脚印找到了回家的路。
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3. The company's new product will track sales across all channels.
该公司的新产品将覆盖所有销售渠道的销售数据。