auxiliary data

例句：

1. 1. He used an auxiliary light to help him see better in the dark.
   他用一个辅助灯在黑暗中看得更清楚。
2. 2. The auxiliary power unit is responsible for providing backup power in case of a mainsfailure.
   辅助电源单元负责在主电源故障时提供备用电力。
3. 3. The auxiliary system was designed to assist the main system in handling emergency situations.
   辅助系统被设计用来协助主要系统处理紧急情况。