Patrolling
vt.& vi. 巡逻, 巡查（patrol的现在分词形式）
🗣️ 情景例句
It's getting late. Please excuse me, but I must leave right away.
时间不早了。对不起，我得赶紧走了。
The ox is never woe,till he to the harrow go.
挂耙去耕地，牛才知辛苦。
'I left the money in my room,' I said, 'and it's not there now.
“我把钱放在房间里，”我说，“可现在没有了。