bystander
US /ˈbaɪˌstæn.dɚ/
UK /ˈbaɪˌstæn.dɚ/

名词
1.
旁观者, 局外人
a person who is present at an event or incident but does not take part in it
示例:
•
Several bystanders witnessed the accident but didn't know how to help.
几名旁观者目睹了事故,但不知道如何提供帮助。
•
The innocent bystander was injured during the robbery.
那名无辜的旁观者在抢劫案中受伤了。
在 Lingoland 学习这个单词