名词
中文翻译：脏线
同义词：
['dirty line', 'foul mark例句：1. The painter had to clean the dirty line off the canvas before he could start again.（画家在重新开始之前必须先把画布上的脏线清理干净。）']
例句：
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1. The painter had to clean the dirty line off the canvas before he could start again.
画家在重新开始之前必须先把画布上的脏线清理干净。
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2.The detective found a foul mark on the wall that matched the suspect's fingerprints.
侦探在墙上发现了一个与嫌疑人指纹相匹配的脏迹。
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3. The ball player had to remove the foul line before the game began.
球手在比赛开始前必须将脏迹线移除。