eyewitness

US /ˈaɪˌwɪt.nəs/
UK /ˈaɪˌwɪt.nəs/
"eyewitness" picture
1.

目击者

a person who has seen something happen, especially a crime or an accident

:
The police interviewed an eyewitness to the robbery.
警方审问了抢劫案的目击者
Several eyewitnesses reported seeing a strange light in the sky.
几位目击者报告说看到天空中有一束奇怪的光。