The free electrons move into the saltwater, then into the clean copper plate, into the wire, through the meter, and back to the cuprous oxide plate.
自由电子进入盐水，然后把干净的铜板，到线，通过米，并回到氧化亚铜板。
The free electrons move into the saltwater, then into the clean copper plate, into the wire, through the meter, and back to the cuprous oxide plate.
自由电子进入盐水，然后把干净的铜板，到线，通过米，并回到氧化亚铜板。
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