activate

/ˈæktɪveɪt/VCE📚 6202 143 1考研托福雅思
If a device or process is activated, something causes it to start working. 激活

verb [vt. 及物动词]激活,使活化;使参战;(尤指透过加热)加速…的反应

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。

-act- act=to do , to drive,表示“行动,做”activate 使…活动,起动(act+ivate 使…→使…活动)
单词造句: