a noncommissioned officer ranking above corporal and below sergeant first class in the Army or Marines or above airman 1st class in the Air Force
双语例句
He told the first sergeant of headquarters company to give him a detail of men. 他叫直属连里当家的上士给他抽调了一队人。
We've seen it in Staff Sgt.Aubrey McDade, who charged into an ambush in Iraq and rescued three of his fellow Marines. 我们在上士麦达德身上的美国特质，他负责伊拉克的一次埋伏并拯救了三名同伴的海军陆战队队员。
