[VERB 动词]使运作;使起作用;激活 If a device or process is activated, something causes it to start working.
[be V-ed]
[V-ed]
[usu passive]
Video cameras with night vision can be activated by movement.
带夜视镜的摄像机一有动静就会启动。
...a voice-activated computer.
声控电脑
activation
A computer controls the activation of an air bag.
电脑控制着气囊的启动。
Oxford
ac·ti·vate/ˈæktɪveɪt; NAmEˈæktɪveɪt/verbactivatesth to make sth such as a device or chemical process start working 使活动;激活;使活化◆The burglar alarm is activated by movement.这防盗警报器一动就会响。◆The gene is activated by a specific protein.这种基因由一种特异性蛋白激活。▶ac·ti·vation/ˌæktɪˈveɪʃn; NAmEˌæktɪˈveɪʃn/noun[uncountable ]activateactivatesactivatedactivatingac·ti·vate/ˈæktɪveɪt; NAmEˈæktɪveɪt/ac·ti·vation/ˌæktɪˈveɪʃn; NAmEˌæktɪˈveɪʃn/
to make an electrical system or chemical process start workingOPP deactivate: Cooking fumes may activate the alarm. The yeast’s growth is activated by sugar and warmth.—activation /ˌæktəˈveɪʃən/ noun [uncountable]RegisterIn everyday English, people usually use set off rather than activate when talking about electrical systems:· Someone has set off the smoke alarm again.
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