He is being treated for a self-inflicted gunshot wound.

他因开枪自残正在接受治疗。

《柯林斯英汉双解大词典》

Banging his hands on the table in frustration, a doctor explains how last Friday one man died of a gunshot wound to his leg because he bled for two hours but could not be taken to hospital.

一位医生拍着桌子沮丧地告诉我们，在星期五有一个人由于腿部枪伤流血足足两个小时，由于无法送到医院而最终死亡。

youdao

In his car, at a red light, Kellerman leans over and looks at the gunshot wound behind the bandage on his neck.

前面是红灯，Kellerman停住车等候通行指示。 在车内，他俯下身子，查看绷带下的枪伤。

youdao

After his act,Waterz, who was paralyzed by a gunshot wound, says the spirit of inclusion at the event is part of the message behind Four Wheel City's music.

VOA: standard.2010.07.27

Matthew Hendricks was found in his bed with one gunshot wound to his head.

NPR: APNewsBreak: Prayers Before SC Woman Killed Family

Bhutto died of a gunshot wound to the neck, the Pakistani Interior Ministry said.

CNN: Benazir Bhutto assassinated

White said the girl died of a single gunshot wound to the chest area.

NPR: 5-Year-Old Boy Shoots 2-Year-Old Sister In Ky.