holding anode

例句：

1. 1. The cell's holding anode is exposed to the air.
   电池的阳极暴露在空气中。
2. 2. The scientist used a special device to hold the anode and measure its potential.
   科学家使用一种特殊的装置来固定阳极并测量其电势。
3. 3. In this experiment, we need to ensure that the anode is properly connected to the circuit.
   在这个实验中，我们需要确保阳极正确连接到电路中。