patrol 名词复数:patrols 过去式:patrolled 过去分词:patrolled 现在进行时:patrolling 词形变化: 名词: patroller | 动词过去式: patrolled | 动词过去分词: patrolled | 动词现在分词: patrolling | 动词第三人称单数: patrols | 词义辨析: 同义: vt.巡查; 守卫, 保卫 watch guard protect police keep vigil