名詞 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)
   同義詞：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閑逛，看見很多奇怪的事物。