passerby

🇬🇧/ˌpɑːsəˈbaɪ/ 🇺🇸/ˌpæsərˈbaɪ/ 27六级考研GRE
A passerby is a person who is walking past someone or something. 过路人

noun [专属名词]过路人,经过者

The 23-year-old's screams alerted a passerby who went to her rescue.
那名23岁女孩的尖叫声引起了一个过路人的警觉,他救了她。

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