落伍士兵

例句：

1. 1. The old soldiers were the first to arrive at the battlefield.
   老兵们是第一个到达战场的。
2. 2. The outdated soldier was replaced by a newer model.
   这个落伍的士兵被更先进的型号所取代。
3. 3. The outdated soldier had to learn new skills to keep up with the times.
   这位落伍的士兵必须学习新技能以跟上时代的步伐。