Patrolling
vt.& vi. 巡逻, 巡查（patrol的现在分词形式）
🗣️ 情景例句
As poor as a church mouse.
一文不名。
Goodbye. Hope to see you again next year.
再见。希望明年再见到你。
There's no time! laughed Mother.Here are the twins.
“没时间了！”母亲笑着说，“双胞姐妹到了。”