索引词：patrol
例文：[例1] A security guard, equipped with a pistol and a German shepherd, patrols this upscale community at night. 夜间，有一名配了手枪，牵着一条德国牧羊犬的保安在这个高档小区巡逻。 [例2] The area should be patrolled by gendarmes in order to give adequate protection to law-abiding local residents. 应当让宪兵在这个地方巡逻，以便为遵纪守法的当地居民提供妥善的保护。 [例3] A contingent of armored personnel carriers are on patrol day and night in this most dangerous suburb. 一支装甲车队昼夜在这个最危险的城郊巡逻。