armored infantry

例句：

1. 1. The army is equipped with the latest armored infantry units.
   军队配备了最新的装甲步兵单位。
2. 2. The battlefield was littered with armored infantrymen engaged in fierce combat.
   战地被装备精良的装甲步兵们激烈的战斗所覆盖。
3. 3. The armored infantry were deployed to secure the border.
   装甲步兵被部署到边境进行防守。