If a device or process is activated, something causes it to start working. 激活
adjective [原级] 活性化的；活泼的
The gene is activated by a specific protein. 这种基因由一种特异性蛋白激活。
verb [vt. 及物动词] 使激活；使活动起来；有生气（activate 的过去分词）
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。
