walk的现在分词：walking

n.行走;步行;散步;徒步旅行;竞走

adj.似人的;活的

v.走;行走;步行;徒步旅行;散步;陪伴…走;护送…走

例句：

The meeting ended on a sour note with several people walking out.

几个人退席，会议不欢而散。

She thinks nothing of walking thirty miles a day.

她认为一天步行三十英里不足为奇。