名词
中文翻译：尾迹
同义词：
['trace', 'trailing mark', 'trailing stain']
例句：
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1. The trailing smear of the car on the pavement was visible to the naked eye.
汽车在人行道上的尾迹清晰可见。
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2. The trailing smear of oil on the floor is a sign that someone has been in the room recently.
地板上的油迹是有人最近进入房间的迹象。
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3. The trailing smear of mud and dirt from the rain made it difficult to see clearly.
雨水带来的泥泞和泥土使视线变得模糊。