The cooled water then reenters the engine, where it can pick up more heat.

冷却后的水又重新进入发动机，再把发动机中的热量传导出去。

A dab of hydrogen peroxide and a flash of ultraviolet light serve as the final sterilizing gatekeepers before the water reenters potable supplies.

在这些水重新进入安全饮用的供水系统之前，作为最后的消毒系统是一小点过氧化氢和闪现紫外光线。