名詞 wanderer:

1. someone who leads a wandering unsettled life
   同義詞：roamer, rover, bird of passage
2. a computer program that prowls the internet looking for publicly accessible resources that can be added to a database; the database can then be searched with a search engine
   同義詞：spider

1. A long, long time ago, cowboys were wanderers, driving their herd from place to place, looking for fresh grass and water.
   在很久很久以前，牧童都是游牧者，趕著他們的牧群到處尋找青草和水源。
2. I met a wanderer in the street yesterday.
   我昨天在街上遇見了一個(gè)流浪者。