electrode

During the medical procedure, doctors attached electrodes to the patient's chest to monitor their heart rate.

(Chinese) 在医疗过程中，医生将电极贴在病人的胸部以监测心率。

In a battery, the chemical reaction occurs at the interface between the electrode and the electrolyte.

(Chinese) 在电池中，化学反应发生在电极与电解质的界面上。