这两种离子在电路中向相反方向流动。
利用相反的电荷，电极就会复位，进而断开电路。
Apply the opposite charge and the electrode flips back, breaking the circuit.
当时渔船底部进水，不断上升的水位使电路系统短路，巨大的船体开始转向相反的方向。
The ship flooded from the bottom up, and when the rising water shorted out the electrical system, the massive boat shifted into reverse.
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