electrode

1. N-COUNT 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. 電極

Two electrodes that measure changes in the body's surface moisture are attached to the palms of your hands. 測量躰表溼度變化的兩個電極被連接到你的雙掌上。