patrolling是什么意思 vt.& vi. 巡逻, 巡查(patrol的现在分词形式) v maintain the security of by carrying out a patrol patrolling的用法和例句: 1. We have patrol boats that patrol 24 hours a day, 365 a year. 我们有全年二十四小时巡逻的巡逻艇 2. It's just wha...