1.electrode n. [电] 电极;电焊条
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 。
2.perception n. 知觉;[生理] 感觉;看法;洞察力;获取
It did not require a lot of perception to realize the interview was over.
不需要很强的洞察力就可以意识到面试结束了 。
3.activate vt. 刺激;使活动;使活泼;使产生放射性 vi. 激活;有活力
Video cameras with night vision can be activated by movement.
有夜视功能的摄像机能被物体的活动激活 。