army grade的意思|示意

美 / ˈɑ:mi ɡreid / 英 / ˈɑrmi ɡred /

（陆军）军用级

After leaving high school in ninth grade, Murdock worked at a gas station before being drafted into the Army in 1943.

9年级的时候从高中辍学，1943年应征入伍前默多克在一家加油站工作。