wander

/ˈwɑndər/

move about aimlessly or without any destination, often in search of food or employment

中文释义：漫步；闲逛

Tourists often wander through the narrow streets of the old town.

游客们常常在老城狭窄的街道上漫步。

His mind began to wander during the long lecture.

在漫长的讲座中，他的思绪开始游荡。