名词
中文翻译：巡逻线
同义词：
['police line', 'patrol strip']
例句：
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1.The police were patrolling the area for any suspicious activity.
警察正在巡逻区域，以防任何可疑活动。
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2.The soldiers stood in a patrol line to protect the village from attack.
士兵们站成一排，以保护村庄免受攻击。
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3. The military had set up a patrol line along the border to prevent incursions.
军方在边境沿线设置了巡逻线，以防止入侵。