purring

The cat's purring was so loud I could hear it across the room.

用法提示：名词purring作主语，表示猫发出的声音。

Her gentle purring helped me relax after a long day.

用法提示：名词purring作主语，描述声音给人的感受。

I could feel the vibrations of the purring through my hand.

用法提示：名词purring作介词宾语，强调触觉体验。