cathodic

例句：

1. 1. The battery is designed for use at a cathodic voltage.
   这个电池设计用于在阴极电压下使用。
2. 2.In the process of electrolysis, the cathodic electrode is where the hydrogen gas is produced.
   在电解过程中，阴极电极是产生氢气的地方。
3. 3. The cathodic protection system is used to prevent corrosion on metal surfaces in wet environments.
   阴极保护系统用于防止金属表面在潮湿环境中的腐蚀。