Patrolling
vt.& vi. 巡逻, 巡查（patrol的现在分词形式）
🗣️ 情景例句
Maybe I should.
也许我该这样。
You give me the money. I'll get you the goods.
一手交钱，一手交货。
the total absence of fishing boats around the oil rigs.
钻井平台周围根本没有捕鱼船只。