An electrode is a small piece of metal or other substance that is used to take an electric current to or from a source of power, a piece of equipment, or a living body.
双语例句
例： Two electrodes that measure changes in the body's surface moisture are attached to the palms of your hands.
测量体表湿度变化的两个电极被连接到你的双掌上。
例： The patient's brain activity is monitored via electrodes taped to the skull.
用贴在头颅上的电级来监测病人的脑部活动。