perambulation

名词 perambulation:

1. a walk around a territory (a parish or manor or forest etc.) in order to officially assert and record its boundaries
2. a leisurely walk (usually in some public place)
   同义词：amble, promenade, saunter, stroll

1. He saw many strange thing during his perambulation in the old city.
   他到那古老的城市里闲逛，看见很多奇怪的事物。