electrode

英文解釋：

名詞 electrode:

1. a conductor used to make electrical contact with some part of a circuit

英文造句：

1. The electrode attached to this region.
   電晶體內的電子附著在電晶體這個區域的電子
2. An electrode used in certain electron tubes to provide secondary emission.
   中間極，二次發射電極一種用於一定電子管作第二次發射電極
3. A faint glow enveloping the high-field electrode in a corona discharge, often accompanied by streamers directed toward the low-field electrode.
   電暈在電暈放電中在高壓電極出現的一種微弱光輝，常伴隨有朝向低壓電極的電流