Patroling
vt.& vi. 巡逻，巡查（patrol的现在分词形式）
🗣️ 情景例句
I don't know what you are driving at.
我不知道你到底想说什么。
It's a deal.
一言为定。
Oh, doctor. He seems terribly ill. Are you sure it's nothing serious?
噢，医生。他似乎病得很厉害。你肯定不是什么大病？