Patrolling
vt.& vi. 巡逻, 巡查（patrol的现在分词形式）
🗣️ 情景例句
It's not good to eat before going to bed.
在上床前吃太多不好。
Please call before you come,otherwise we might not be home.
请在你来前打一下电话来,否则我们可能不在家。
I like reading and listening to music.
我喜欢阅读和欣赏音乐。