perambulate|perambulates|perambulating

老人在公园里慢慢地散步，仔细欣赏每一处风景。

The old man ___perambulates through the park, carefully observing every detail.

她喜欢在周末漫步于老城区的小巷中。

She enjoys ___perambulating through the old town's alleys on weekends.

老人在公园里悠闲地散步，欣赏着周围的花草。

The old man was ___perambulating in the park, enjoying the flowers and plants around him.